{"title":"Sulfur \u0026 Magnesium Fertilizers","description":"\u003ch2\u003eSulfur and Magnesium Fertilizers for Garden Soil and Plant Nutrition\u003c\/h2\u003e\n\u003cp\u003eSulfur and magnesium are essential plant nutrients that support important functions such as chlorophyll formation, photosynthesis, and overall plant growth. Our collection of sulfur and magnesium fertilizers includes products that provide sulfur, magnesium, and other secondary or micronutrients for addressing specific soil and plant nutrition needs.\u003c\/p\u003e\n\u003cp\u003eThis collection includes soil sulfur, Epsom salts, langbeinite, gypsum, dolomite, sulfate of potash, and Cal-Mag products, along with mineral and trace-nutrient amendments such as zinc, manganese, iron, and glacial rock dust. Different products provide different nutrients, so selecting an amendment based on soil conditions and plant requirements can help avoid unnecessary applications.\u003c\/p\u003e\n\u003cp\u003eSoil testing is a useful starting point when determining whether additional nutrients or soil amendments are needed. Sulfur can also be used to help lower soil pH in appropriate conditions, while dolomite supplies calcium and magnesium and can raise soil pH. Gypsum supplies calcium and sulfur without significantly changing soil pH.\u003c\/p\u003e\n\u003cp\u003eFor additional options, explore our \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/fertilizers-with-sulfur\"\u003efertilizers with sulfur\u003c\/a\u003e, \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/ph-correcting-fertilizer\"\u003epH correcting fertilizers\u003c\/a\u003e, and \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/trace-minerals-fertilizer\"\u003etrace minerals fertilizer\u003c\/a\u003e collections. You can also browse our broader selection of \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/fertilizer-growing-supplies\"\u003efertilizer and growing supplies\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eWhether you're addressing a documented nutrient deficiency, managing soil pH, or providing specific secondary and micronutrients, our selection offers practical products for a variety of garden and landscape needs.\u003c\/p\u003e\n\n","products":[{"product_id":"dte-langbeinite-0022-5-lb-box","title":"Langbeinite 0-0-22 Fertilizer (5 lb box)","description":"\u003cp\u003eLangbeinite is a popular fertilizer, especially where several plant nutrients are needed to provide adequate nutrition. It has an advantage of having potassium, magnesium, and sulfur all contained within a single particle, which helps provide a uniform distribution of nutrients when it is spread in the field.\u003c\/p\u003e\n\u003cp\u003eIts neutral pH does not alter soil acidity and its maximum chlorine content is less than 3.0%, minimizing potential for fertilizer \"burn\".\u003c\/p\u003e\n\n\u003cp\u003eLangbeinite is totally water soluble, but is slower to dissolve than some other common potassium fertilizers because the particles are denser than other potassium sources. \u003cb\u003eTherefore, it is not suitable for dissolving and application through irrigation systems unless finely ground.\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGuaranteed analysis: Soluble potash–22%; Sulfur–22%; Magnesium–10.8%\u003c\/li\u003e \n\u003cli\u003eIt has a neutral pH, and does not contribute to soil acidity or alkalinity. This differs from other common sources of magnesium (such as dolomite) which will increase soil pH and from elemental sulfur or ammonium sulfate which will lower the soil pH.\u003c\/li\u003e\n\u003cli\u003eFor new plantings in containers, mix 1 Tablespoon per gallon of soil and mix thoroughly. \n\u003c\/li\u003e\n\u003cli\u003eLow in chlorides\u003c\/li\u003e\n\u003cli\u003eDerived from sulfate of potash-magnesia\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Down to Earth","offers":[{"title":"Default Title","offer_id":21543355383921,"sku":"F002","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/langbeinite-0-0-22-fertilizer-5-lb-box.png?v=1776450525"},{"product_id":"azomite-micronized-2-lb","title":"Azomite - Micronized (2 lb)","description":"\u003ch2\u003eMicronized Azomite for Containers and Small Gardens\u003c\/h2\u003e\n\u003cp\u003eAzomite Micronized in this 2 lb repack is a fine natural mineral product sized for houseplants, containers, raised beds, and small garden projects. It supplies a broad spectrum of naturally occurring trace elements and can be blended evenly into soil or potting media. Because it is very finely milled, handle it carefully to minimize airborne dust. \u003c\/p\u003e\n\u003ch3\u003eBest Uses\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHouseplants, patio containers, and raised beds.\u003c\/li\u003e\n\u003cli\u003eSmall soil blends and trial applications.\u003c\/li\u003e\n\u003cli\u003eFine texture for even incorporation into growing media.\u003c\/li\u003e\n\u003cli\u003eConvenient quantity when a bulk bag is unnecessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFollow current label directions for the crop and growing area, measure carefully, and avoid assuming that more mineral amendment is better. This 2 lb Peaceful Valley repack is intended for convenient small-scale use. For farms or repeated large-area applications, see the \u003ca href=\"\/products\/azomite-44-lb-micronized\"\u003e44 lb original package\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 WARNING:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm; for more information, visit \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eAzomite is not a complete fertilizer and should be used within a balanced, soil-test-based program. Account for other mineral amendments already applied.\u003c\/p\u003e","brand":"Azomite","offers":[{"title":"Default Title","offer_id":21543435370609,"sku":"F039","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F039Wood.png?v=1766094740"},{"product_id":"azomite-44-lb-micronized","title":"Azomite Micronized (44 lb)","description":"\u003ch2\u003eMicronized Azomite for Farms and Large Gardens\u003c\/h2\u003e\u003cp\u003eAzomite Micronized in the original 44 lb bag is an ultra-fine natural mineral product derived from a mineral deposit in Utah. It supplies a broad spectrum of naturally occurring trace elements and is used to supplement mineral programs in farms, orchards, vineyards, landscapes, and large gardens. Its fine particle size supports even blending into soil and carefully managed suspension applications.\u003c\/p\u003e\u003ch3\u003eWhy Choose the 44 lb Bag?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOriginal bulk package for broad-acre or repeated use.\u003c\/li\u003e\n\u003cli\u003eMicronized texture for soil blends and properly agitated applications.\u003c\/li\u003e\n\u003cli\u003eContains naturally occurring calcium, magnesium, potassium, and trace elements.\u003c\/li\u003e\n\u003cli\u003eOMRI Listed and CDFA registered for use in organic production.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplication\u003c\/h3\u003e\u003cp\u003eUse the current package directions for your crop and application method. Rates vary widely by setting; measure accurately, maintain agitation for suspension applications, and confirm equipment screen and nozzle compatibility. For smaller home-garden projects, choose the \u003ca href=\"\/products\/azomite-micronized-2-lb\"\u003e2 lb repack\u003c\/a\u003e, which is not represented as organic.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 WARNING:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm; for more information, visit \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eUsing Trace-Mineral Amendments Responsibly\u003c\/h3\u003e\u003cp\u003eAzomite is a mineral amendment, not a complete fertilizer and not a substitute for correcting pH, drainage, salinity, or specific nutrient deficiencies. Use soil and tissue testing to identify the broader fertility need, and account for other mineral products already in the program. When blending with compost, potting media, or dry fertilizer, distribute the fine powder evenly to avoid concentrated pockets.\u003c\/p\u003e\u003ch3\u003eHandling the Micronized Powder\u003c\/h3\u003e\u003cp\u003eMinimize dust while measuring and pouring. For spray or irrigation use, follow the current package directions, maintain continuous agitation, and confirm screens and nozzles are appropriate for suspended mineral particles. Make a small compatibility test before combining it with other inputs. Store the sealed bag in a dry area protected from moisture and wind.\u003c\/p\u003e","brand":"Azomite","offers":[{"title":"Default Title","offer_id":21543435862129,"sku":"F040","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F040_wood_376e2f7a-5b25-41a2-a485-f3ee593917f1.jpg?v=1766094745"},{"product_id":"soil-conscious-glacial-rock-dust-50-lb-organic","title":"Soil Conscious Glacial Rock Dust - 50 lb - Organic","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eSoil Conscious\u003c\/em\u003e Glacial Rock Dust - 50lb. bag (Organic) \u003c\/strong\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMined from an ancient volcanic deposit in British Columbia, Canada. It is a source of natural minerals that plants may need to thrive. This product can be used on farms, home gardens, landscapes, and turf for a full range of plant types.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGuaranteed Analysis:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eMagnesium 0.9%\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIron 3.8%\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eManganese 0.05%\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDerived From: Glacial Moraine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTrusted by organic growers and backed by decades of use, \u003cem\u003eSoil Conscious\u003c\/em\u003e Glacial Rock Dust is carefully screened to ensure low levels of heavy metals, making it safe for food crops. A soil test can determine specific mineral needs, helping growers apply the right amount for optimal results and long-term soil health.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Soil Enrichment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupplies iron, magnesium, manganese, and more than 70 trace minerals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhances Nutrient Retention:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHelps soil retain moisture and nutrients for long-term plant vitality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves Soil Structure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBoosts aeration, water retention, and microbial activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlow-Release Formula:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides lasting benefits without the risk of nutrient leaching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for Large-Scale Use:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSuitable for farms, orchards, vineyards, and commercial applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGarden and Landscape\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Rate:\u003c\/strong\u003e Apply up to 25 lbs per 1,000 sq. ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstructions:\u003c\/strong\u003e Gently dig the dust into the soil surface once a month or as desired.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTransplanting and Premixing Soil\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Rate:\u003c\/strong\u003e Use 1 tbsp per gallon of soil or growing medium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstructions:\u003c\/strong\u003e Thoroughly mix the dust into the soil or growing medium before planting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePastureland, Grain, and Field Crops\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Rate:\u003c\/strong\u003e Apply 500 lbs per acre annually.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstructions:\u003c\/strong\u003e Higher rates can be applied based on your specific soil conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHigh Value Commercial Crops\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Rate:\u003c\/strong\u003e Apply 500 lbs per acre, and up to 1,000 lbs per acre (or more) per year for crops under severe stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstructions:\u003c\/strong\u003e Lightly work the dust into the soil surface where possible. Apply generously.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Note:\u003c\/strong\u003e Always store the product in a cool, dry location.\u003c\/p\u003e\n\u003cp\u003eThis naturally sourced mineral amendment has been relied on for decades to restore soil fertility, strengthen plant resilience, and improve crop yields. By gradually replenishing essential minerals, it supports long-term agricultural sustainability and healthier plants.\u003c\/p\u003e\n\u003cp\u003eYou can also explore our full selection of\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/collections\/fertilizer-growing-supplies\" target=\"_blank\"\u003efertilizers and soil amendments\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto support every stage of your garden’s growth.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":21543436386417,"sku":"F045","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F045-Soil-Conscious-Glacial-Rock-Dust-Bag-50lb.png?v=1782944892"},{"product_id":"diamond-k-solution-grade-gypsum-50-lb","title":"Diamond K Solution Grade Gypsum (50 lb)","description":"\u003cp\u003eImprove soil structure, enhance water infiltration, and promote plant health with Diamond K gypsum powder—a high-purity, ultra-fine powdered gypsum ideal for home gardens and certified organic farms.\u003c\/p\u003e\n\u003cp\u003eThis 50 lb bag contains 97% pure calcium sulfate dihydrate (22% calcium, 18% sulfur). The fine particle size (92% passing through a 325-mesh screen) ensures quick solubility for dry applications, soil drenches, or fertigation systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoosens Compacted Soils:\u003c\/strong\u003e Breaks up clay and heavy soils for better aeration and root development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves Water Management:\u003c\/strong\u003e Increases both drainage and moisture retention in poorly draining soils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoosts Soil Fertility:\u003c\/strong\u003e Supplies essential nutrients that support plant metabolism and beneficial microbial activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Organic: \u003c\/strong\u003eOMRI-listed and free of synthetic additives, making it ideal for sustainable gardening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Guidelines:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarden Beds: \u003c\/strong\u003e5–10 lbs per 100 sq. ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContainer Plants:\u003c\/strong\u003e 1–2 tablespoons dissolved in 5 gallons of water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Use:\u003c\/strong\u003e 50–400 lbs per acre (soil); 1–10 lbs per acre (foliar spray).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDiamond K powdered gypsum is a fast-acting, easy-to-apply solution for loosening soil, improving water movement, and increasing nutrient availability. Its high purity and solubility make it a reliable soil amendment for gardeners, landscapers, and organic growers.\u003c\/p\u003e\n\u003cp\u003eComplete your soil health program with our full range of \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/natural-and-organic-fertilizers\"\u003enatural and organic fertilizers for sale\u003c\/a\u003e and \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/soil-amendments\"\u003esoil amendments\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Diamond K","offers":[{"title":"Default Title","offer_id":21543445037169,"sku":"F1153","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F1153_wood_front.jpg?v=1766094756"},{"product_id":"manganese-sulfate-tecmangam-powder-50-lb","title":"Manganese Sulfate 31% Powder (50 lb)","description":"\u003ch2\u003eManganese Sulfate 31% for Commercial and Large-Area Use\u003c\/h2\u003e\u003cp\u003eManganese Sulfate 31% Powder in the original 50 lb bag supplies 31% manganese and 18% sulfur in a water-soluble form. It is intended for correcting a confirmed manganese deficiency in field crops, orchards, vineyards, greenhouse production, or other large planting areas. Manganese supports chlorophyll formation, enzyme activity, and nitrogen metabolism, but excessive application can create nutrient imbalances.\u003c\/p\u003e\u003ch3\u003eApplication Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBroadcast: 20–60 lb per acre before or at planting.\u003c\/li\u003e\n\u003cli\u003eBand or side-dress: 10–30 lb per acre.\u003c\/li\u003e\n\u003cli\u003eFoliar: 1–3 lb per acre on actively growing plants before full leaf expansion.\u003c\/li\u003e\n\u003cli\u003eCompatible with appropriate fertigation programs when fully dissolved.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBase the rate on a current soil or tissue test, follow crop-specific guidance, and verify compatibility before tank mixing. Avoid breathing dust and store the closed bag in a dry location.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrganic status:\u003c\/strong\u003e The original 50 lb package is OMRI Listed and registered with CDFA for use in organic production. For smaller projects, the \u003ca href=\"\/products\/manganese-sulfate-31-powder-5-lb-bag\"\u003e5 lb repack\u003c\/a\u003e is not represented as organic.\u003c\/p\u003e\u003cp\u003eReview the current \u003ca href=\"https:\/\/www.groworganic.mom\/cdn\/shop\/files\/f1676-b.pdf\" target=\"_blank\" rel=\"noopener\"\u003eProduct Label\u003c\/a\u003e and \u003ca href=\"https:\/\/www.groworganic.mom\/cdn\/shop\/files\/f1676-m.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSafety Data Sheet\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 WARNING:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm; for more information, visit \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eChoosing a Manganese Source\u003c\/h3\u003e\u003cp\u003eSymptoms such as interveinal chlorosis can resemble iron, magnesium, disease, or root-zone problems, so visual symptoms alone are not enough to confirm manganese deficiency. Soil pH strongly affects manganese availability: high-pH soils can limit uptake even when total manganese is present. Correct the underlying pH or drainage issue when appropriate and use manganese sulfate only at a rate supported by analysis and local crop guidance.\u003c\/p\u003e\u003ch3\u003eMixing and Handling\u003c\/h3\u003e\u003cp\u003eAdd the measured powder slowly to water with agitation, confirm that it dissolves, and make a small compatibility test before combining it with other inputs. Do not mix concentrates directly. Clean application equipment after use, prevent drift during foliar application, and wear the protective equipment specified on the label and SDS.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":21543452049521,"sku":"F1676","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F1676_Manganese_Sulphate_edited.jpg?v=1766094761"},{"product_id":"peaceful-valley-bareroot-booster-blend","title":"Peaceful Valley Organic PrimeStart Booster Blend 2.3-5.0-2.6 (3 lb Bag)","description":"\u003cp\u003eThis Peaceful Valley Organics specialty blend was designed to be used when planting bare root trees, grape vines, cane berries, or any other dormant plant. Unlike other brands of tree fertilizers, our Organic Primestart Booster Blend is crafted for the specific needs of bare root plants. Made with 100% organic ingredients of the highest quality, our fertilizer has no synthetic chemicals and no cheap fillers. \u003c\/p\u003e\n\u003cp\u003ePrimestart has a generous dose of long-term phosphorus because this nutrient is essential in the root zone at the time of planting. Since the phosphorus is slow-release, it will also promote healthy flower production in the spring. \u003c\/p\u003e\n\u003cp\u003eThe nitrogen in Primestart is lower than other fruit tree fertilizers such as our PVO Orchard and Vine Mix. This is because when your bare root trees are dormant, they do not take up nitrogen from the soil. The nitrogen that we have added to the Primestart will release slowly so your trees can use it when they start to wake up in the spring. \u003c\/p\u003e\n\u003cp\u003eOur 3 lb bags are the perfect size for one bare root tree, or you can use half a bag on blueberries or grapes.  No need to measure! For larger quantities of trees, we also sell 30 lb bags of Primestart.\u003c\/p\u003e\n\u003cp\u003eThis blend provides just what your plants need. It has small amounts of all the major nutrients, in combination with humates and Mycorrhizae.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContains soft rock phosphate, fish bone meal, feather meal, gypsum, sulfate of potash, azomite, kelpmeal, humic acids, and mycorrhizal inoculant.\u003c\/li\u003e\n\u003cli\u003eUse one 3 lb bag per bare root tree\u003c\/li\u003e\n\u003cli\u003eGrapes and blueberries add 1 lb (2 heaping cups) per plant\u003c\/li\u003e\n\u003cli\u003eCane berries add 3 Tbs per plant, strawberries use 1-2 Tbs per plant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpread near the plants roots, as you back fill the planting hole. Keep in mind that it is still important to amend the entire back fill soil with some compost, as you normally would.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Peaceful Valley","offers":[{"title":"Default Title","offer_id":21543468007537,"sku":"F2000","price":8.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/peaceful-valley-organic-primestart-booster-blend-2-3-5-0-2-6-3-lb-bag.png?v=1776385695"},{"product_id":"collections-organic-fertilizer","title":"Organic Sulfur 90% (Granular) 50 lbs","description":"\u003cp\u003eOrganic Sulfur 90% is a concentrated elemental sulfur amendment formulated with bentonite clay for fast, dependable soil pH correction and long-term soil health. Dust-free granules are easy to spread; when they absorb moisture, the bentonite swells and breaks apart, releasing fine sulfur evenly through the soil profile for consistent performance across beds and production fields.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGranular elemental sulfur blended with bentonite clay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalysis:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e90% S (elemental)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBehavior:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMoisture-activated; granules swell and disperse for uniform soil coverage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBag Size:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e50 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Use:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLowering soil pH (acidifying) and supplying plant-available sulfur\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlkaline soils; acid-loving crops and ornamentals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBroadcast, banded, or incorporated into soil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Growers Use It\u003c\/h3\u003e\n\u003cp\u003eSulfur is more than a soil acidifier—it is an essential plant nutrient involved in protein synthesis and enzyme activation. By lowering pH more quickly than other amendments, this formulation improves availability of phosphorus, iron, and key micronutrients already present in the soil. It also enhances nitrogen efficiency, helping gardeners and farmers get more value from existing fertility programs and supporting vigorous growth, robust root development, and high-quality harvests.\u003c\/p\u003e\n\u003ch3\u003ePerformance \u0026amp; Crop Suitability\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFast, reliable pH correction for alkaline soils in gardens and production acreage\u003c\/li\u003e\n\u003cli\u003eEven dispersion of fine sulfur after wetting ensures consistent results across beds and rows\u003c\/li\u003e\n\u003cli\u003eIdeal for acid-loving crops and ornamentals such as\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eVaccinium corymbosum\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e(blueberries),\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eVitis vinifera\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e(grapes), and\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eRhododendron\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003espp.\u003c\/li\u003e\n\u003cli\u003eSupports soil biology and nutrient cycling for long-term soil health and plant care\u003c\/li\u003e\n\u003cli\u003eDurable, dust-free granules for easy handling and precise field applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlways soil test\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto determine proper rates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical rates:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1–5 lb per 100 sq ft (garden beds) or 200–2000 lb per acre (field use), depending on soil pH, texture, and target crop.\u003c\/li\u003e\n\u003cli\u003eA little sulfur can stimulate soil micro-life; over-application may be harmful, and some plants are sulfur-sensitive—apply with care.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSustainable Growing\u003c\/h3\u003e\n\u003cp\u003eThis moisture-activated, granular elemental sulfur provides a natural, long-lasting amendment that aligns with organic and sustainable growing practices. Unlike mined sulfur sources, the bentonite-enhanced granule delivers consistent performance and reliable application, helping you balance fertility, manage pH, and improve overall field performance.\u003c\/p\u003e\n\u003cp\u003eLearn more about plant nutrition in our article on\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/blogs\/articles\/meet-the-secondary-macronutrients-micronutrients-your-plants-need\" target=\"_blank\"\u003eMacro and Micro Nutrients\u003c\/a\u003e, or explore complementary\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/collections\/fertilizer-growing-supplies\" target=\"_blank\"\u003eFertilizer \u0026amp; Growing Supplies\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto support garden and farm productivity.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Montana Sulfur","offers":[{"title":"Default Title","offer_id":21543469318257,"sku":"F2263","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F2263_Org_Sulfur_90__Granular_50lbs_front.jpg?v=1766094771"},{"product_id":"sulfate-of-potash-ultrafines-diamond-k-soluble-50-lb","title":"Sulfate of Potash Ultrafines - Diamond K Soluble 0-0-50 (50 lb)","description":"\u003ch2\u003eSulfate of Potash Ultrafines - Diamond K Soluble 0-0-50 (50 lb)\u003c\/h2\u003e\u003cp\u003eWater-soluble potash source specially developed for use in foliar feeding, liquid fertilizing, drip irrigation, hydroponics, etc. Contains 50% potassium \u0026amp; 17% sulfur Completely soluble, immediately available \u0026amp; is compatible with other foliar fertilizers Use at 1-5 tbs\/gal or 1-50 lb\/acre for soil applications 0.5 tsp\/gal or 1 lb per acre for foliar applications Sulfate of Potash Ultrafines: An In-Depth Analysis Sulfate of Potash Ultrafines, specifically the Diamond K Soluble 50 lb variant, is a valuable agricultural product that plays a crucial role in enhancing crop yields and overall plant health. Understanding Sulfate of Potash Sulfate of Potash (SOP), also known as potassium sulfate, is a key source of potassium for plants. Potassium is one of the essential macronutrients required for the proper growth and development of plants. It plays a vital role in various physiological processes, including enzyme activation, photosynthesis, and water uptake. SOP is highly regarded for its ability to supply plants with potassium in a form that is readily available and easily absorbed.\u003c\/p\u003e\u003cp\u003eUse according to the current package directions and within a soil-test-based fertility plan. Account for compost and other fertilizers already applied, measure rates carefully, water as directed, and store the closed package in a cool, dry location.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"SpringSale2023","offers":[{"title":"Default Title","offer_id":21543470563441,"sku":"F2300","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/sulfate-of-potash-ultrafines-diamond-k-soluble-0-0-50-50-lb.png?v=1776882438"},{"product_id":"kms-diamond-k-brand-50-lb","title":"Diamond K Brand KMS 0-0-21.5 (50 lb)","description":"\u003cp\u003e\u003cstrong\u003eDiamond K Brand KMS 0-0-21.5 (50 lb)\u003c\/strong\u003e is a high-quality, natural soil conditioner designed to deliver essential potassium, magnesium, and sulfur for sustainable soil health and maximum crop performance. This water-soluble fertilizer is widely used in commercial agriculture to strengthen plant resilience, improve nutrient efficiency, and enhance soil structure.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Potassium Content (21.5% K):\u003c\/strong\u003e Regulates water uptake, strengthens plant stems, and improves stress tolerance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnesium for Photosynthesis (10.8% Mg):\u003c\/strong\u003e Aids in chlorophyll production and overall plant energy transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSulfur for Soil Health (22% S):\u003c\/strong\u003e Enhances protein synthesis and microbial activity for balanced soil fertility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly Soluble \u0026amp; Efficient:\u003c\/strong\u003e Quickly dissolves for easy plant uptake and soil improvement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves Soil Structure:\u003c\/strong\u003e Enhances aeration, drainage, and moisture retention for optimal growing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOMRI-Listed for Organic Use:\u003c\/strong\u003e Safe for certified organic farming.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication Guidelines:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil Application:\u003c\/strong\u003e Apply \u003cstrong\u003e20-50 lbs per acre\u003c\/strong\u003e, depending on soil test results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoliar Spray:\u003c\/strong\u003e Use \u003cstrong\u003e1-2 lbs per acre\u003c\/strong\u003e for quick nutrient absorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFertigation:\u003c\/strong\u003e Dissolve in irrigation systems for uniform distribution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Note:\u003c\/strong\u003e This product absorbs moisture and may solidify, but remains fully soluble and effective.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eDiamond K Brand KMS 0-0-21.5 (50 lb)\u003c\/strong\u003e is a trusted choice for large-scale growers looking to improve soil health and boost crop productivity. Incorporate this natural amendment into your agricultural practices for stronger, healthier plants and sustainable yields.\u003c\/p\u003e\n\n\u003cp\u003eFor small-scale applications, \u003ca href=\"https:\/\/www.groworganic.mom\/products\/kms-diamond-k-brand-5-lb\"\u003eDiamond K Brand KMS 0-0-21.5 is also available in a 5 lb bag\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Diamond K","offers":[{"title":"Default Title","offer_id":21543472267377,"sku":"F2360","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F2360_Diamond_K_Brand_KMS_edited.jpg?v=1766094776"},{"product_id":"zinc-sulfate-powder-50-lb","title":"Zinc Sulfate Powder (50 lb)","description":"\u003cp\u003eZinc Sulfate Powder in the original 50 lb package is intended for farms, orchards, vineyards, and other operations making repeated micronutrient applications. It contains 35.5% zinc and 17.5% sulfur in a highly soluble powder.\u003c\/p\u003e\u003ch3\u003eUse based on testing\u003c\/h3\u003e\u003cp\u003eZinc supports enzyme activity, protein formation, and normal plant growth, but only small amounts are required. Confirm a deficiency with soil or tissue testing before application and use crop-specific recommendations. Visual symptoms can resemble other nutrient, pH, or root problems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil:\u003c\/strong\u003e Incorporate at a tested, calculated rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoliar:\u003c\/strong\u003e Published guidance is 2–5 lb per acre; manage concentration and timing to reduce leaf burn or fruit marking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFertigation:\u003c\/strong\u003e Confirm system compatibility and distribute the calculated amount evenly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOrganic status:\u003c\/strong\u003e This original 50 lb package is OMRI listed and CDFA approved for use in certified organic production. The \u003ca href=\"https:\/\/www.groworganic.mom\/products\/zinc-sulfate-powder-25-lb-bag\"\u003e25 lb repack\u003c\/a\u003e is not represented as organic and does not inherit this listing.\u003c\/p\u003e\u003cp\u003eReview the current \u003ca href=\"https:\/\/www.groworganic.mom\/cdn\/shop\/files\/f2565-b.pdf\"\u003eProduct Label\u003c\/a\u003e and \u003ca href=\"https:\/\/www.groworganic.mom\/cdn\/shop\/files\/f2565-m.pdf\"\u003eSafety Data Sheet\u003c\/a\u003e before handling or application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 WARNING:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm; for more information, visit \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Brandt","offers":[{"title":"Default Title","offer_id":21543480230001,"sku":"F2565","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F2565_Zinc_Sulfate_Powder_50_lb_front.png?v=1778523981"},{"product_id":"soil-sulfur-5-lb-box","title":"Soil Sulfur (5 lb)","description":"\u003ch2\u003eSoil Sulfur (5 lb)\u003c\/h2\u003e\u003cp\u003eIn addition to adjusting the pH level of garden and lawn soils, Sulfur is an also an essential protein ingredient as well as plant nutrient which helps maintain the green color of leaves and aids in the use of nitrogen fertilizer by the plant.\u003c\/p\u003e\u003cp\u003eSoil sulfur is essential because it directly influences the pH levels of your soil. pH, which stands for \"potential of hydrogen,\" measures the acidity or alkalinity of the soil. Soil pH affects nutrient availability to plants and the overall microbial activity in the soil. Sulfur is particularly useful for adjusting pH in soils that are too alkaline or have high pH values.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eContains elemental Sulfur\u003c\/li\u003e\n\u003cli\u003eIdeal for amending alkaline soils\u003c\/li\u003e\n\u003cli\u003eGranulated for easy application\u003c\/li\u003e\n\u003cli\u003eAcidification: One of the primary roles of soil sulfur is to lower soil pH by increasing soil acidity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse according to the current package directions and within a soil-test-based fertility plan. Account for other amendments already applied, measure carefully, water as directed, and store the closed package in a cool, dry location.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"EB Stone","offers":[{"title":"Default Title","offer_id":21543482130545,"sku":"F290","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/EBS-Simples-Fert-Soil-Sulfur-5LB-F_web_46ad27ae-7e0c-41bb-bbb7-f2c8e39f9582.png?v=1780619070"},{"product_id":"ultra-bloom-0-10-10-15-lb-bag","title":"Ultra Bloom 0-10-10 (15 lb bag)","description":"\u003ch2\u003eUltra Bloom 0-10-10 (15 lb bag)\u003c\/h2\u003e\u003cp\u003eUltra Bloom is formulated without nitrogen to aid in the development of flowers and fruit buds. Although it may be used on all plants throughout the year, it is especially recommended for Azaleas, Camellias, and Rhododendrons when flower buds begin to form in late summer, fall, and winter.\u003c\/p\u003e\u003cp\u003eEvery gardening enthusiast knows the importance of providing their plants with the right nutrients to ensure optimal growth and abundant blooms. One product that has gained popularity among gardeners is Ultra Bloom 0-10-10, a specialized fertilizer designed to promote flowering and fruiting in a wide variety of plants.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBlended with humic acid and beneficial soil microbes, including mycorrhizae.\u003c\/li\u003e\n\u003cli\u003eDerived from bone meal and potassium sulfate; analysis 0-10-10.\u003c\/li\u003e\n\u003cli\u003eApplication Rates: Azaleas, Camellias, Rhododendrons (to support flower development) — Apply 1 Tbsp per foot of height or width of the plant.\u003c\/li\u003e\n\u003cli\u003eFruit \u0026amp; Citrus Trees (to support flower bud development and enhance fruit sweetness) — Apply 3 Tbsp per foot of tree height. Apply monthly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse according to the current package directions and within a soil-test-based fertility plan. Account for other amendments already applied, measure carefully, water as directed, and store the closed package in a cool, dry location.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"EB Stone","offers":[{"title":"Default Title","offer_id":21543486783601,"sku":"F301","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/ultra-bloom-0-10-10-15-lb-bag.png?v=1776457719"},{"product_id":"sup-r-green-chicken-manure-partially-composted-25-lb","title":"Sup'R Green Organic Chicken Manure (Composted) (25 lb)","description":"\u003ch3\u003eNutrient-Rich and Compost-Safe\u003c\/h3\u003e\n\u003cp\u003eSup'R 25 lb Organic Chicken Manure Fertilizer isn’t fresh chicken manure—it goes through a 3–6 month composting process, making it safer for plants and less likely to cause burning. Unlike raw poultry manure, it’s stable, weed- and dirt-free, high in nitrogen, and provides a balanced 3-2-2 NPK ratio with over five times more plant food value than steer manure.\u003c\/p\u003e\n\u003cp\u003eIdeal for both home gardeners and commercial growers, this composted chicken manure:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdds organic matter\u003c\/li\u003e\n\u003cli\u003eImproves soil structure\u003c\/li\u003e\n\u003cli\u003eEnhances water retention\u003c\/li\u003e\n\u003cli\u003eAerates compacted soil\u003c\/li\u003e\n\u003cli\u003eEncourages beneficial microbial activity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt also contains valuable micronutrients like calcium and magnesium, which support healthy root growth and overall soil fertility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eApply 1 bag per 200 square feet. For more precise use, apply 1–2 lbs per 100 square feet, depending on soil needs. Incorporate into flower beds, vegetable gardens, raised beds, or lawns, and water thoroughly after application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Tip:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlthough composted, this product still has a strong odor. Wear gloves when handling and avoid applying on windy days. It may also be further composted at home if desired.\u003c\/p\u003e\n\u003cp\u003eSup'R Organic Chicken Manure releases nutrients slowly, helping reduce leaching and ensuring long-lasting plant nutrition.\u003c\/p\u003e\n\u003cp\u003eWhether you're looking for a single 25 lb bag or bulk chicken manure for larger projects, Sup'R Green is a reliable, eco-friendly choice for sustainable gardening, farming, and landscaping. You can also explore our full range of\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/collections\/fertilizer-growing-supplies\" target=\"_blank\"\u003eorganic fertilizers and growing supplies\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto meet all your soil and plant nutrition needs.\u003c\/p\u003e\n\u003cp\u003eLooking for organic chicken manure near you? Try this high-quality chicken manure for sale and experience healthier, more productive soil.\u003c\/p\u003e\n\u003cp\u003eFor more information, visit our\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/blogs\/articles\/choosing-the-best-poo-for-you\" target=\"_blank\"\u003ecompanion blog on organic manures\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/composting\"\u003ecomposting products\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Sup'R Green","offers":[{"title":"Default Title","offer_id":21543490093169,"sku":"F444","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/sup-r-green-organic-chicken-manure-composted-25-lb.png?v=1776119309"},{"product_id":"dolomite-50-lb","title":"Dolomite (50 lb)","description":"\u003cp\u003eDolomite is a powdered or granular calcium-magnesium carbonate soil amendment. It is used where a soil test indicates a need to raise low pH while supplying calcium and magnesium. Because dolomite changes soil chemistry, it should not be applied automatically or used as a substitute for a complete fertilizer.\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage size:\u003c\/strong\u003e 50 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Dolomitic limestone containing calcium and magnesium carbonates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical use:\u003c\/strong\u003e pH adjustment in acidic soil when calcium and magnesium are also needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Dry soil amendment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBefore Applying\u003c\/h2\u003e\n\u003cp\u003eUse a current soil test and the package directions to select an application rate. Account for lime or other calcium and magnesium sources already applied. Spread and incorporate the product only as directed, avoid breathing dust, and use the personal protective equipment listed on the label. Keep the bag closed and dry during storage.\u003c\/p\u003e\n\u003cp\u003eCompare this product with other \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers and amendments\u003c\/a\u003e.\u003c\/p\u003e","brand":"Down to Earth","offers":[{"title":"Default Title","offer_id":21543495237745,"sku":"F850","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/dolomite-50-lb.jpg?v=1747085756"},{"product_id":"pvfs-primestart-booster-blend-30-lb","title":"Peaceful Valley Organic PrimeStart Booster Blend 2.3-5.0-2.6 (30 lb)","description":"\u003cp\u003eThis Peaceful Valley Organics specialty blend was designed to be used when planting bare root trees, grape vines, cane berries, or any other dormant plant. Unlike other brands of tree fertilizers, our Organic Primestart Booster Blend is crafted for the specific needs of bare root plants. Made with 100% organic ingredients of the highest quality, our fertilizer has no synthetic chemicals and no cheap fillers. \u003c\/p\u003e\n\u003cp\u003ePrimestart has a generous dose of long-term phosphorus because this nutrient is essential in the root zone at the time of planting. Since the phosphorus is slow-release, it will also promote healthy flower production in the spring. \u003c\/p\u003e\n\u003cp\u003eThe nitrogen in Primestart is lower than other fruit tree fertilizers such as our PVO Orchard and Vine Mix. This is because when your bare root trees are dormant, they do not take up nitrogen from the soil. The nitrogen that we have added to the Primestart will release slowly so your trees can use it when they start to wake up in the spring. \u003c\/p\u003e\n\u003cp\u003eOur 3 lb bags are the perfect size for one bare root tree, or you can use half a bag on blueberries or grapes.  No need to measure! For larger quantities of trees, we also sell 30 lb bags of Primestart.\u003c\/p\u003e\n\u003cp\u003eThis blend provides just what your plants need. It has small amounts of all the major nutrients, in combination with humates and Mycorrhizae.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContains soft rock phosphate, fish bone meal, feather meal, gypsum, sulfate of potash, azomite, kelpmeal, humic acids, and mycorrhizal inoculant.\u003c\/li\u003e\n\u003cli\u003eUse one 3 lb bag per bare root tree\u003c\/li\u003e\n\u003cli\u003eGrapes and blueberries add 1 lb (2 heaping cups) per plant\u003c\/li\u003e\n\u003cli\u003eCane berries add 3 Tbs per plant, strawberries use 1-2 Tbs per plant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpread near the plants roots, as you back fill the planting hole. Keep in mind that it is still important to amend the entire back fill soil with some compost, as you normally would.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Peaceful Valley","offers":[{"title":"Default Title","offer_id":21548782616689,"sku":"F2010","price":51.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/peaceful-valley-organic-primestart-booster-blend-2-3-5-0-2-6-30-lb.jpg?v=1749160429"},{"product_id":"monterey-dr-iron-7-lb","title":"Monterey Dr. Iron (7 lb)","description":"\u003ch2\u003eMonterey Dr. Iron Granular Supplement\u003c\/h2\u003e\u003cp\u003eTo use on lawns, flowers, vegetables, trees and shrubs, to correct for iron deficiency. Won't stain concrete or burn foliage Controlled release for season-long feeding Derived from elemental sulfur and iron oxide, contains 22% iron and 55% sulfur Note: this product will lower the soil pH ⚠ Warning: This product or its packaging has a CA Prop 65 Warning Monterey Dr. Iron 7 lb is a specialized iron supplement designed to address iron deficiency in plants. Iron deficiency is a common issue in many gardens and landscapes, leading to yellowing leaves and stunted growth. This product aims to provide an effective and eco-friendly solution to this problem, ensuring healthy and vibrant plants. Key Features: Iron Supplement: Monterey Dr. Iron contains 22% iron in the form of iron sulfate monohydrate. This essential nutrient is vital for chlorophyll production, which is crucial for photosynthesis and overall plant health. Regular application of this product can help prevent and alleviate iron deficiency symptoms in plants.\u003c\/p\u003e\u003cp\u003eUse according to the current package directions and within a soil-test-based fertility plan. Measure carefully, apply evenly, water as directed, and store the closed package in a cool, dry location.\u003c\/p\u003e\u003cp\u003eCompare additional \u003ca href=\"\/collections\/trace-minerals-fertilizer\"\u003etrace-mineral fertilizers\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 WARNING:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm; for more information, visit \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Monterey","offers":[{"title":"Default Title","offer_id":21549149978737,"sku":"F1240","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/monterey-dr-iron-7-lb.png?v=1776709701"},{"product_id":"fox-farm-cal-mag-1-qt","title":"FoxFarm Cal-Mag (1 qt)","description":"\u003cp\u003eGringo Rasta® Cal-Mag from FoxFarm is a concentrated nutrient supplement that delivers two essential minerals—calcium and magnesium—to promote strong, healthy plant growth. These nutrients are critical for cell wall development, enzyme activity, and the production of abundant fruits and flowers.\u003c\/p\u003e\n\u003cp\u003eThis convenient 1-quart size is perfect for smaller gardens, container plants, or indoor growing setups where precise nutrient management is essential. Cal-Mag helps correct and prevent common deficiencies that can cause issues like weak stems, blossom end rot, or reduced flower quality. The formula is OMRI Listed® and CDFA Organic Input Material approved, making it suitable for certified organic production. Containing 3% calcium and 0.9% magnesium, it’s derived from calcium carbonate, magnesium sulfate, and soy protein hydrolysate for effective absorption.\u003c\/p\u003e\n\u003cp\u003eWhether you’re feeding vegetables, herbs, fruiting plants, or ornamentals, this nutrient boost supports overall plant vigor and improves your harvest quality.\u003c\/p\u003e\n\u003cp\u003eFor more organic plant nutrition options, visit our \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/fertilizer-growing-supplies\"\u003eFertilizer \u0026amp; Growing Supplies\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1 quart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalcium Content:\u003c\/strong\u003e 3%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnesium Content:\u003c\/strong\u003e 0.9%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e Small gardens, indoor plants, container growing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrganic Certification:\u003c\/strong\u003e OMRI Listed®, CDFA Organic Input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDerived From:\u003c\/strong\u003e Calcium carbonate, magnesium sulfate, soy protein hydrolysate\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/liquid-fertilizer\"\u003eliquid fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Foxfarm","offers":[{"title":"Default Title","offer_id":21549553746033,"sku":"F2410","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/f2410_ft.png?v=1747082066"},{"product_id":"fox-farm-cal-mag-1-gal","title":"FoxFarm Cal-Mag (1 gal)","description":"\u003cp\u003eGringo Rasta® Cal-Mag from FoxFarm is designed to support strong plant structure and healthy yields by supplying two essential secondary nutrients—calcium and magnesium. These minerals play a vital role in strengthening cell walls, aiding in enzyme activity, and supporting fruit and flower development for a more productive garden.\u003c\/p\u003e\n\u003cp\u003eIdeal for use in both soil-based and hydroponic systems, Cal-Mag helps prevent common nutrient deficiencies that can lead to issues like blossom end rot or poor bud formation. Its formula is OMRI Listed® and registered as a CDFA Organic Input Material, ensuring it’s suitable for certified organic growing. Containing 3% calcium and 0.9% magnesium, it’s derived from calcium carbonate, magnesium sulfate, and soy protein hydrolysate for efficient nutrient uptake.\u003c\/p\u003e\n\u003cp\u003eWhether you’re growing vegetables, fruits, or flowering plants, this supplement can be a valuable part of your feeding program to promote overall plant vigor and resilience.\u003c\/p\u003e\n\u003cp\u003eFor more soil health and plant nutrition products, explore our \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/fertilizer-growing-supplies\"\u003eFertilizer \u0026amp; Growing Supplies\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1 gallon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalcium Content:\u003c\/strong\u003e 3%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnesium Content:\u003c\/strong\u003e 0.9%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable For:\u003c\/strong\u003e Soil and hydroponics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrganic Certification:\u003c\/strong\u003e OMRI Listed®, CDFA Organic Input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDerived From:\u003c\/strong\u003e Calcium carbonate, magnesium sulfate, soy protein hydrolysate\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/liquid-fertilizer\"\u003eliquid fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Foxfarm","offers":[{"title":"Default Title","offer_id":21549554565233,"sku":"F2411","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/f2411_ft.png?v=1747082065"},{"product_id":"dte-dolomite-lime-prilled-5-lb-box","title":"Dolomite Lime Prilled (5 lb box)","description":"\u003cp\u003eDown To Earth™ Dolomite Lime supplies essential nutrients calcium and magnesium, and sweetens your soil (raises the pH) to improve plant growth and maximize fertilizer performance. Magnesium is the element that causes plants to be able to convert light into energy. Natural limestone is ground into an ultra-fine powder and then formed into uniform mini granules (prills) for easy spreading and rapid reaction time.\u003c\/p\u003e\n\u003cp\u003eDolomite is not a good choice for California foothill soils which are high in magnesium. Use oystershell lime or mined limestone instead.\u003c\/p\u003e\n\u003cp\u003eMost garden plants prefer a soil pH between 6.0 and 7.0. Performing a complete soil analysis or using a soil pH home test kit before application is recommended.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDerived from dolomite limestone\u003c\/li\u003e\n\u003cli\u003eGuaranteed Analysis-calcium (23.5%), magnesium (9.5%), calcium carbonate (49.8%), magnesium carbonate (32.9%)\u003c\/li\u003e\n\u003cli\u003eCalcium carbonate equivalent (CCE) is 98.2%\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs and soil-management needs.\u003c\/p\u003e","brand":"Down to Earth","offers":[{"title":"Default Title","offer_id":21549575274609,"sku":"F851","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/dolomite-lime-prilled-5-lb-box.png?v=1778271980"},{"product_id":"dte-garden-lime-prilled-5-lb-box-15271","title":"Garden Gypsum Prilled (5 lb box)","description":"\u003cp\u003e\u003cstrong\u003eImproving soil structure is one of the most important steps in creating a healthy garden, and Down To Earth™ Garden Gypsum offers a simple, effective solution. \u003c\/strong\u003eThis natural soil conditioner provides a valuable source of calcium and sulfur while helping to enhance the physical properties of a wide range of soils. In heavy clay soils, it works to loosen compacted particles, increasing aeration and water infiltration. This improved drainage encourages deeper root growth and reduces the risk of waterlogging or root diseases.\u003c\/p\u003e\n\u003cp\u003eGarden Gypsum is also highly beneficial for revitalizing alkaline, sodic, or saline soils, helping to displace excess sodium and restore a more balanced environment for plants. Its prilled form makes application easy, whether you’re working in vegetable beds, lawns, ornamental plantings, or large landscaping projects. By supplying 21% calcium and 17% sulfur, it not only improves structure but also contributes to strong cell walls, healthy foliage, and vibrant blooms.\u003c\/p\u003e\n\u003cp\u003eFor more soil improvement products, explore our \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/soil-amendments\"\u003eSoil Amendments\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDerived From:\u003c\/strong\u003e Mined gypsum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Analysis:\u003c\/strong\u003e Calcium (21%), Sulfur (17%)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Use:\u003c\/strong\u003e Loosens heavy clay soils, improves drainage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Benefits:\u003c\/strong\u003e Helps remediate alkaline, sodic, or saline soils\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Prilled for easy application\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5 lb box\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Down to Earth","offers":[{"title":"Default Title","offer_id":21549576224881,"sku":"F1154","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/garden-gypsum-prilled-5-lb-box.png?v=1778271975"},{"product_id":"super-green-2000-lb-tote","title":"Super Green  Chicken Manure (2000 lb tote)","description":"\u003ch2\u003eSuper Green Chicken Manure (2000 lb tote)\u003c\/h2\u003e\u003cp\u003eNot a raw manure, this chicken manure goes through a 3-6 month composting process and it will not burn, but does have a fairly strong odor.\u003c\/p\u003e\u003cp\u003eWhen it comes to organic gardening and agriculture, soil enrichment is crucial for healthy and productive crops. Super Green Chicken Manure, available in 2000 lbs of bulk chicken manure, is a powerful fertilizer that can transform your soil. This high-quality manure chicken product helps elevate your gardening or farming efforts by providing essential nutrients for optimal plant growth.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOver 5 times more plant food value than steer manure.\u003c\/li\u003e\n\u003cli\u003eAdds organic matter, loosens and aerates soil, excellent for retaining moisture\u003c\/li\u003e\n\u003cli\u003eGuaranteed weed and dirt free. Nutrient levels are stable at 3% total nitrogen, 2% phosphoric acid, and 2% soluble potash.\u003c\/li\u003e\n\u003cli\u003eExcellent for retaining moisture\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse according to the current package directions and within a soil-test-based fertility plan. Account for other amendments already applied, measure carefully, water as directed, and store the closed package in a cool, dry location.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/all-purpose-fertilizers\"\u003eall-purpose fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"PV Drop Ship","offers":[{"title":"Default Title","offer_id":31402028695665,"sku":"F446","price":435.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/super-green-chicken-manure-2000-lb-tote.jpg?v=1747081840"},{"product_id":"epsom-salts-50-lb","title":"Epsom Salts (50 lb)","description":"\u003ch2\u003eEpsom Salts (50 lb)\u003c\/h2\u003e\u003cp\u003eEpsom Salts is a source of magnesium that is essential to plant development. It is required by plants to produce chlorophyll. Helps plants absorb phosphorus Absorbed by both the leaves and roots Supplies magnesium that is essential for chlorophyll production 9.8% magnesium, 12.9% sulfur Epsom Salts: A Natural Miracle for Your Garden Epsom salts, scientifically known as magnesium sulfate, have long been cherished for their versatile applications in the realm of gardening. This natural mineral compound has proven to be a true ally for gardeners, aiding in plant growth, soil enrichment, and pest control. Epsom Salts Overview Epsom salts are composed of magnesium, sulfur, and oxygen. They are named after the English town of Epsom, where these salts were first discovered in the 17th century. The primary components, magnesium and sulfur, are essential nutrients for plants, making Epsom salts an invaluable resource for gardeners. Nutrient Boost for Plants One of the most significant advantages of using Epsom salts in gardening is their ability to provide plants with essential nutrients.\u003c\/p\u003e\u003cp\u003eUse according to the current package directions and within a soil-test-based fertility plan. Account for compost and other fertilizers already applied, measure rates carefully, water as directed, and store the closed package in a cool, dry location.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Diamond K","offers":[{"title":"Default Title","offer_id":32184673042545,"sku":"F2345","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/Epsom-Salts-50lb-1.jpg?v=1747081824"},{"product_id":"hill-valley-fertilizer-mix","title":"Hill \u0026 Valley Fertilizer Mix 0.5-4.0-4.0 (40 lb)","description":"\u003ch2\u003eHill \u0026amp; Valley Fertilizer Mix 0.5-4.0-4.0 (40 lb)\u003c\/h2\u003e\u003cp\u003eOur own formulation based on years of testing foothill soils, which are acidic and low in phosphorous, nitrogen, calcium, sulfur, and trace minerals. This blend contains gypsum, oystershell lime, fish bone meal, colloidal rock phosphate, sulfate of potash, kelp meal (Ascophyllum Nodosum) It is organic and supplies all deficient soil nutrients, except nitrogen. For organic matter you can use worm castings, compost or cover crops Use at 20 lb\/100 sq ft on new soils, less on soils which have been amended in the past Contains 0.5%N-4.0%P-4.0%K. Hill \u0026amp; Valley Fertilizer Mix: A Nutrient-Rich Blend for Optimal Crop Growth Fertilizers play a crucial role in enhancing soil fertility and promoting healthy plant growth. Hill \u0026amp; Valley Fertilizer Mix is a highly effective and specialized fertilizer blend designed to meet the specific nutritional needs of your crops. Key Features of Hill \u0026amp; Valley Fertilizer Mix Balanced Nutrient Profile : Hill \u0026amp; Valley Fertilizer Mix boasts a meticulously balanced nutrient profile, ensuring that your plants receive the essential elements they need to thrive.\u003c\/p\u003e\u003cp\u003eUse according to the current package directions and within a soil-test-based fertility plan. Account for compost and other fertilizers already applied, measure rates carefully, water as directed, and store the closed package in a cool, dry location.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Peaceful Valley","offers":[{"title":"Default Title","offer_id":40150695870577,"sku":"F1110","price":45.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/Peaceful-Valley-Organics-Hill-_-Valley-Mix-40lb-1.jpg?v=1747081350"},{"product_id":"hill-valley-fertilizer-mix-plus-n","title":"Hill \u0026 Valley Fertilizer Mix Plus N 2.0-4.0-4.0 (40 lb)","description":"\u003ch2\u003eHill \u0026amp; Valley Fertilizer Mix Plus N 2.0-4.0-4.0 (40 lb)\u003c\/h2\u003e\u003cp\u003eSame formulation as our well-known Hill \u0026amp; Valley Fertilizer Mix but with bloodmeal added for nitrogen. Our own formulation based on years of testing local soils, which are acidic and low in phosphorous, nitrogen, calcium, sulfur, and trace minerals. Use in similarly deficient soils. Note: for bareroot or container-grown trees, use the regular Hill \u0026amp; Valley Fertilizer Mix, instead of this mix.\u003c\/p\u003e\u003cp\u003eWhen it comes to nurturing your garden or farm, choosing the right fertilizer can make a significant difference in the health and vitality of your plants. Hill \u0026amp; Valley Fertilizer Mix Plus N is a specialized product designed to provide your plants with the essential nutrients they need for robust growth and optimal yields.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eContains 2.0%N-4.0%P-4.0%K.\u003c\/li\u003e\n\u003cli\u003eThis blend contains gypsum, oystershell lime, fish bone meal, colloidal rock phosphate, blood meal, sulfate of potash, kelp meal (Ascophyllum Nodosum) .\u003c\/li\u003e\n\u003cli\u003eMore Nitrogen might be needed later in the growing season.\u003c\/li\u003e\n\u003cli\u003eTo add organic matter, use worm castings, compost or cover crops\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse according to the current package directions and within a soil-test-based fertility plan. Account for other amendments already applied, measure carefully, water as directed, and store the closed package in a cool, dry location.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/all-purpose-fertilizers\"\u003eall-purpose fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Peaceful Valley","offers":[{"title":"Default Title","offer_id":40150724313201,"sku":"F1115","price":51.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/Peaceful-Valley-Organics-Hill-_-Valley-Mix-Plus-N-40lb-1.jpg?v=1747081347"},{"product_id":"espoma-organic-tomato-tone-3-4-6-8lbs","title":"Espoma Organic Tomato-Tone 3-4-6 (8 lb)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEspoma Organic Tomato-Tone 3-4-6 (8 lbs)\u003c\/strong\u003e is a specialized organic fertilizer formulated to meet the unique nutritional needs of tomatoes and other fruiting crops. This blend features a balanced 3-4-6 NPK ratio and includes calcium—an essential nutrient that helps prevent blossom end rot. For additional calcium-based solutions, see our \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/calcium-fertilizer\" target=\"_blank\"\u003eCalcium Fertilizer Collection\u003c\/a\u003e. Designed for continuous feeding throughout the growing season, Tomato-Tone promotes robust root development, steady growth, and a larger, more flavorful harvest.\u003c\/p\u003e\n\u003cp\u003eEnhanced with Espoma’s proprietary Bio-tone® blend of beneficial microbes, this 8 lb tomato fertilizer encourages microbial activity in the soil, improving nutrient uptake and plant resilience. The slow-release formulation ensures that plants receive consistent nourishment without the risk of overfeeding or burning. It’s an ideal option for both in-ground and container-grown tomatoes, as well as peppers and eggplants.\u003c\/p\u003e\n\u003cp\u003eThis fertilizer is made from all-natural, organic ingredients and is OMRI listed, making it suitable for certified organic gardens. It's safe to use around children and pets and integrates easily into your planting routine—apply at the time of transplanting, then side-dress as the season progresses to support blooming and fruiting. Whether you're growing heirloom slicers, cherry tomatoes, or canning varieties, this tomato fertilizer delivers dependable nutrition with a focus on healthy fruit production and long-term soil health.\u003c\/p\u003e\n\u003cp\u003eWant to explore more? View our complete \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/all-espoma-products\" target=\"_blank\"\u003eEspoma Product Collection\u003c\/a\u003e or shop our full range of \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/soil-amendments\" target=\"_blank\"\u003eOrganic Fertilizers and Amendments\u003c\/a\u003e for tomatoes and beyond.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Espoma","offers":[{"title":"Default Title","offer_id":40194208170097,"sku":"F811","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F801_ft.jpg?v=1766095908"},{"product_id":"zinc-sulfate-powder-25-lb-bag","title":"Zinc Sulfate Powder (25 lb bag)","description":"\u003cp\u003eZinc Sulfate Powder in a 25 lb bag is the primary family option for multiple garden beds, orchards, vineyards, and small-acreage applications. It provides a concentrated, water-soluble source of zinc and sulfur for correcting a deficiency confirmed by soil or plant-tissue testing.\u003c\/p\u003e\u003ch3\u003eGuaranteed analysis and role\u003c\/h3\u003e\u003cp\u003eThe powder contains 35.5% zinc and 17.5% sulfur. Zinc supports plant enzyme systems, protein formation, and normal growth, but plants require it only in small quantities. Symptoms such as interveinal chlorosis, shortened internodes, or reduced leaf size can have several causes, so testing is more reliable than diagnosis by appearance alone.\u003c\/p\u003e\u003cp\u003eThis product is not a complete fertilizer. It should be incorporated into a broader fertility plan rather than used as a general-purpose feeding product. Soil pH and interactions with other nutrients can affect zinc availability.\u003c\/p\u003e\u003ch3\u003eApplication options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil application:\u003c\/strong\u003e Incorporate at the rate recommended by a current soil test.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoliar application:\u003c\/strong\u003e Published guidance is 2–5 lb per acre, but concentration and crop timing must be managed carefully to reduce leaf burn or fruit marking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFertigation:\u003c\/strong\u003e Use only where the product is compatible with the irrigation system and the calculated rate can be distributed evenly across the intended area.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMeasure accurately, avoid inhaling dust, and follow crop- and region-specific recommendations. More zinc is not better; excessive application can damage plants and interfere with other nutrients.\u003c\/p\u003e\u003ch3\u003eChoose the right package\u003c\/h3\u003e\u003cp\u003eThis 25 lb repack offers more coverage than a small garden package without requiring a full bulk sack. For large farms or repeated applications, see the \u003ca href=\"https:\/\/www.groworganic.mom\/products\/zinc-sulfate-powder-50-lb\"\u003e50 lb original package\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrganic status:\u003c\/strong\u003e This repackaged 25 lb size is not represented as organic or as listed or approved for certified organic production. The 50 lb package’s OMRI\/CDFA status does not transfer to this repack.\u003c\/p\u003e\u003cp\u003eLearn about \u003ca href=\"https:\/\/www.groworganic.mom\/blogs\/articles\/meet-the-secondary-macronutrients-micronutrients-your-plants-need\"\u003eplant micronutrients\u003c\/a\u003e or compare other \u003ca href=\"https:\/\/www.groworganic.mom\/collections\/trace-minerals-fertilizer\"\u003etrace-mineral fertilizers\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 WARNING:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm; for more information, visit \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":41677553238129,"sku":"F717","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F717_Zinc_Sulfate_Powder_5_lb_bag_closeup.jpg?v=1766096332"},{"product_id":"manganese-sulfate-31-powder-5-lb-bag","title":"Manganese Sulfate 31% Powder (5 lb bag)","description":"\u003ch2\u003e5 lb Manganese Sulfate for Targeted Applications\u003c\/h2\u003e\u003cp\u003eManganese Sulfate 31% Powder in this 5 lb repack is sized for targeted correction of a confirmed manganese deficiency in gardens, small orchards, greenhouse crops, or trial applications. It supplies 31% manganese and 18% sulfur in a water-soluble form. Because micronutrients are required in small amounts, use a recent soil or tissue test to select the rate.\u003c\/p\u003e\u003ch3\u003eHow It Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSoil application where manganese deficiency is documented.\u003c\/li\u003e\n\u003cli\u003eCarefully diluted foliar use on actively growing plants.\u003c\/li\u003e\n\u003cli\u003eCompatible fertigation systems after dissolution and compatibility checks.\u003c\/li\u003e\n\u003cli\u003eConvenient quantity for smaller areas and measured treatments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBroadcast guidance for the formulation is 20–60 lb per acre; band or side-dress at 10–30 lb per acre; foliar applications are generally 1–3 lb per acre. Follow crop-specific recommendations and avoid overapplication.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrganic status:\u003c\/strong\u003e This repackaged 5 lb size is not represented as organic or as listed or approved for certified organic production. The original \u003ca href=\"\/products\/manganese-sulfate-tecmangam-powder-50-lb\"\u003e50 lb package\u003c\/a\u003e carries its own OMRI and CDFA listings, which do not transfer to this repack.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 WARNING:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm; for more information, visit \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":41677553598577,"sku":"F714","price":13.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F1676_-_Manganese_Sulfate_31_Powder_w_gloves.jpg?v=1766096343"},{"product_id":"gaia-green-glacial-rock-dust-5-lb-bag","title":"Gaia Green Glacial Rock Dust (5 lb bag)","description":"\u003cp\u003eReplenish essential minerals and improve soil health with \u003cstrong\u003eGaia Green Glacial Rock Dust (5 lb)\u003c\/strong\u003e, a natural soil amendment sourced from ancient Canadian glacial deposits. This mineral-rich rock dust provides a broad spectrum of trace minerals and micronutrients, supporting soil structure, microbial life, and plant vitality.\u003c\/p\u003e\n\u003cp\u003eOver time, soils can become depleted of vital nutrients, leading to reduced plant resilience and lower yields. Gaia Green Glacial Rock Dust gradually releases minerals, replenishing essential elements that contribute to strong root systems, improved plant immunity, and enhanced nutrient absorption. Its finely ground texture allows for easy incorporation into garden beds, compost, potting mixes, and lawns.\u003c\/p\u003e\n\u003cp\u003ePerfect for vegetable gardens, flower beds, orchards, and lawns, this all-natural amendment supports long-term soil regeneration without the risk of nutrient leaching. It improves soil texture, stimulates beneficial microbial activity, and enhances soil moisture retention, creating optimal growing conditions.\u003c\/p\u003e\n\u003cp\u003eFor those requiring larger quantities, \u003ca href=\"https:\/\/www.groworganic.mom\/products\/gaia-green-glacial-rock-dust-50-lb\"\u003eGaia Green Glacial Rock Dust is also available in a 50 lb bag\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Mineral Supply:\u003c\/strong\u003e Provides calcium, iron, magnesium, potassium, and over 70 trace minerals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves Soil Structure:\u003c\/strong\u003e Enhances soil aeration, moisture retention, and microbial activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoosts Plant Resilience:\u003c\/strong\u003e Strengthens root development and increases nutrient uptake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlow-Release Formula:\u003c\/strong\u003e Ensures long-term soil enrichment without nutrient leaching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Suitable for gardens, compost, potting mixes, and lawns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eLearn More About Rock Dust and Soil Amendments:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/blogs\/articles\/how-to-use-fertilizers-rock-dust\"\u003eHow to Use Fertilizers: Rock Dust\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/blogs\/articles\/how-to-use-fertilizers-soft-rock-phosphate\"\u003eHow to Use Fertilizers: Soft Rock Phosphate\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/blogs\/articles\/how-to-use-soil-amendments-diatomite-rock\"\u003eHow to Use Soil Amendments: Diatomite Rock\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRelated Products:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/products\/azomite-44-lb-micronized\"\u003eAzomite Micronized (44 lb)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/products\/calphos-soft-rock-phosphate-regular-powder-50-lb\"\u003eCalphos Soft Rock Phosphate (50 lb)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/products\/earthshine-biochar-blend-30-lb\"\u003eEarthshine Biochar Blend (30 lb)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.mom\/collections\/natural-and-organic-fertilizers\"\u003eExplore our range of organic fertilizers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRevitalize your soil and support healthier plant growth with \u003cstrong\u003eGaia Green Glacial Rock Dust\u003c\/strong\u003e. This natural mineral amendment restores vital nutrients, ensuring stronger plants, improved yields, and long-term soil fertility.\u003c\/p\u003e\u003cp\u003eCompare this product with additional \u003ca href=\"\/collections\/nutrient-specific-fertilizers\"\u003enutrient-specific fertilizers\u003c\/a\u003e selected for garden and farm fertility programs.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":41677553729649,"sku":"F710","price":13.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/F710_Gaia_Green_Glacial_Rock_Dust_w_Gloves.jpg?v=1766096361"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/collections\/sulfur-category_f2364016-0d6f-4284-9027-bbed62a65730.jpg?v=1786831159","url":"https:\/\/www.groworganic.mom\/collections\/sulfur-magnesium-fertilizer.oembed","provider":"Grow Organic","version":"1.0","type":"link"}