{"title":"Seed Inoculants","description":"\u003cp\u003eSeed inoculants contain live rhizobia selected for compatible legume groups. When the correct bacteria form nodules on legume roots, they can fix atmospheric nitrogen. Inoculants are crop-specific: one product is not automatically suitable for every clover, pea, bean, vetch, alfalfa, cowpea, or soybean.\u003c\/p\u003e\u003cp data-cover-crop-selector-inbound=\"2026-08\"\u003e\u003cstrong\u003eNot sure which cover crop and inoculant fit your garden?\u003c\/strong\u003e Use the \u003ca href=\"\/pages\/cover-crop-selector-for-home-gardens\"\u003eCover Crop Selector for Home Gardens\u003c\/a\u003e. It recommends an inoculant only when the selected raw legume seed needs one and calculates how many packages cover the seed amount.\u003c\/p\u003e\u003ch2\u003eChoose the Inoculant That Matches Your Seed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlfalfa and clover inoculant:\u003c\/strong\u003e Use only for the alfalfa and clover groups listed on the product directions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePea, vetch, and lentil inoculant:\u003c\/strong\u003e Select the package size appropriate for the amount of compatible seed being planted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCowpea, peanut, and lespedeza inoculant:\u003c\/strong\u003e Intended for the crop group named in the product directions, which may include specific warm-season legumes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBean or soybean inoculant:\u003c\/strong\u003e Match ordinary beans and soybeans to their respective inoculant groups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarden combination inoculant:\u003c\/strong\u003e Covers several listed garden-legume groups but should still be checked against the exact seed being planted.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCheck Whether Your Seed Is Already Inoculated\u003c\/h2\u003e\u003cp\u003eRaw legume seed may require inoculation. Nitrocoated seed already includes an inoculant coating and generally should not be inoculated again unless its directions say otherwise. Coating, inoculation, and certified-organic status are separate characteristics, so verify each one on the seed product page.\u003c\/p\u003e\u003ch2\u003eApplication and Storage\u003c\/h2\u003e\u003cp\u003eRhizobia are living organisms. Follow the selected product directions for crop compatibility, application rate, sticking agent or moisture instructions, storage temperature, expiration date, sunlight precautions, and the time allowed between treating seed and planting.\u003c\/p\u003e\u003ch2\u003ePlan by Seed Quantity\u003c\/h2\u003e\u003cp\u003eChoose a package that treats the amount of seed you intend to plant without greatly exceeding the stated coverage. Larger farm packages may treat hundreds or thousands of pounds, while garden packages are designed for smaller plantings.\u003c\/p\u003e\u003cp\u003eReturn to \u003ca href=\"\/collections\/legumes\"\u003elegume cover crop seed\u003c\/a\u003e, use the \u003ca href=\"\/blogs\/solution-charts\/cover-crop-solution-chart\"\u003eCover Crop Solution Chart\u003c\/a\u003e, or read \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003ehow rhizobia and root nodules support nitrogen fixation\u003c\/a\u003e. For fungi applied at the root zone rather than bacteria applied to legume seed, compare \u003ca href=\"\/collections\/mycorrhizal-inoculants\"\u003emycorrhizal inoculants\u003c\/a\u003e.\u003c\/p\u003e\u003csection data-inoculants-commercial=\"2026-08\"\u003e\n\u003ch2\u003eUse the Legume Inoculation Guides\u003c\/h2\u003e\n\u003cp\u003eBefore treating raw seed, use the \u003ca href=\"\/blogs\/articles\/legume-inoculant-compatibility-chart\"\u003eLegume Inoculant Compatibility Chart\u003c\/a\u003e to identify the likely crop group, then follow \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003eLegume Inoculants: Rhizobia, Nitrogen Fixation and Application\u003c\/a\u003e for storage, coating, planting, nodulation, and troubleshooting. The current seed description and inoculant label remain controlling.\u003c\/p\u003e\n\u003cp\u003eFor mycorrhizal fungi and other root-zone microbial products, use \u003ca href=\"\/blogs\/articles\/integrating-microbial-inoculants-into-a-whole-soil-program\"\u003eMicrobial Inoculants: Types, Uses and How to Choose\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"alfalfa-clover-inoculant","title":"Alfalfa-Clover Inoculant (Treats 50 lb)","description":"\u003cp\u003eThis peat-based seed inoculant contains live Rhizobium culture formulated for alfalfa, fenugreek, and most clovers except subclovers. One package treats up to 50 lb of seed.\u003c\/p\u003e\u003ch2\u003eCompatible Crops and Coverage\u003c\/h2\u003e\u003cp\u003eUse this formulation for alfalfa, fenugreek, and most clovers except subclovers. Coverage: up to 50 lb of seed.\u003c\/p\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDampen seed with clean, cool, non-chlorinated water.\u003c\/li\u003e\n\u003cli\u003eAdd only enough inoculant to coat the seed uniformly.\u003c\/li\u003e\n\u003cli\u003eAllow the coating to dry for 1–3 minutes, then plant as soon as practical.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eStorage and Handling\u003c\/h2\u003e\u003cp\u003eStore in a cool, dry place out of direct sunlight at 40–77°F. The powder can be dusty; use appropriate dust protection and follow the current package directions.\u003c\/p\u003e\u003ch2\u003eCompare and Learn\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/inoculants\"\u003eCompare seed inoculants\u003c\/a\u003e, review \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003ehow Rhizobium and root nodules support nitrogen fixation\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/cover-crop-seeds\"\u003ecover crop seed\u003c\/a\u003e.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":21543881638001,"sku":"ISE100","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/alfalfa-clover-inoculant-treats-50-lb.jpg?v=1747084803"},{"product_id":"bean-dry-inoculant-treats-1500-lbs","title":"Bean Inoculant (treats 1500 lbs)","description":"\u003cp\u003eThis peat-based seed inoculant contains live Rhizobium culture formulated for field beans including kidney, pinto, and great northern beans, plus garden beans including snap, string, wax, and scarlet runner beans. One package treats up to 1,500 lb of seed.\u003c\/p\u003e\u003ch2\u003eCompatible Crops and Coverage\u003c\/h2\u003e\u003cp\u003eUse this formulation for field beans including kidney, pinto, and great northern beans, plus garden beans including snap, string, wax, and scarlet runner beans. Coverage: up to 1,500 lb of seed.\u003c\/p\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDampen seed with clean, cool, non-chlorinated water.\u003c\/li\u003e\n\u003cli\u003eAdd only enough inoculant to coat the seed uniformly.\u003c\/li\u003e\n\u003cli\u003eAllow the coating to dry for 1–3 minutes, then plant as soon as practical.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eStorage and Handling\u003c\/h2\u003e\u003cp\u003eStore in a cool, dry place out of direct sunlight at 40–77°F. The powder can be dusty; use appropriate dust protection and follow the current package directions.\u003c\/p\u003e\u003ch2\u003eCompare and Learn\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/inoculants\"\u003eCompare seed inoculants\u003c\/a\u003e, review \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003ehow Rhizobium and root nodules support nitrogen fixation\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/cover-crop-seeds\"\u003ecover crop seed\u003c\/a\u003e.\u003c\/p\u003e","brand":"N-Dure","offers":[{"title":"Default Title","offer_id":21543881965681,"sku":"ISE151","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/bean-inoculant-treats-1500-lbs.jpg?v=1747084802"},{"product_id":"cowpea-peanut-and-lespedeza-inoculant-6738","title":"Cowpea, Peanut \u0026 Lespedeza Inoculant (Treats 100 lb)","description":"\u003cp\u003eThis peat-based seed inoculant contains live Rhizobium culture formulated for cowpeas, peanuts, lespedeza, black-eyed peas, adzuki, mung and velvet beans, pigeon peas, alyce clover, hairy indigo, and crotalaria. One package treats up to 100 lb of seed.\u003c\/p\u003e\u003ch2\u003eCompatible Crops and Coverage\u003c\/h2\u003e\u003cp\u003eUse this formulation for cowpeas, peanuts, lespedeza, black-eyed peas, adzuki, mung and velvet beans, pigeon peas, alyce clover, hairy indigo, and crotalaria. Coverage: up to 100 lb of seed.\u003c\/p\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDampen seed with clean, cool, non-chlorinated water.\u003c\/li\u003e\n\u003cli\u003eAdd only enough inoculant to coat the seed uniformly.\u003c\/li\u003e\n\u003cli\u003eAllow the coating to dry for 1–3 minutes, then plant as soon as practical.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eStorage and Handling\u003c\/h2\u003e\u003cp\u003eStore in a cool, dry place out of direct sunlight at 40–77°F. The powder can be dusty; use appropriate dust protection and follow the current package directions.\u003c\/p\u003e\u003ch2\u003eCompare and Learn\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/inoculants\"\u003eCompare seed inoculants\u003c\/a\u003e, review \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003ehow Rhizobium and root nodules support nitrogen fixation\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/cover-crop-seeds\"\u003ecover crop seed\u003c\/a\u003e.\u003c\/p\u003e","brand":"N-Dure","offers":[{"title":"Default Title","offer_id":21543882293361,"sku":"ISE200","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/cowpea-peanut-and-lespedeza-inoculant-treats-100-lb.jpg?v=1747084803"},{"product_id":"garden-combination-mix-inoculant","title":"Garden Combination Mix Inoculant (Treats 8 lb)","description":"\u003cp\u003eThis peat-based seed inoculant contains live Rhizobium culture formulated for Soil Builder Mix, legume-oat mixes, vetch except crown vetch, fava and bell beans, garden beans, peas, black-eyed peas, soybeans, lentils, lima beans, cowpeas, lespedeza, and peanuts. One package treats up to 8 lb of seed. It is also sold under the N-Dure brand name.\u003c\/p\u003e\u003ch2\u003eCompatible Crops and Coverage\u003c\/h2\u003e\u003cp\u003eUse this formulation for Soil Builder Mix, legume-oat mixes, vetch except crown vetch, fava and bell beans, garden beans, peas, black-eyed peas, soybeans, lentils, lima beans, cowpeas, lespedeza, and peanuts. Coverage: up to 8 lb of seed.\u003c\/p\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDampen seed with clean, cool, non-chlorinated water.\u003c\/li\u003e\n\u003cli\u003eAdd only enough inoculant to coat the seed uniformly.\u003c\/li\u003e\n\u003cli\u003eAllow the coating to dry for 1–3 minutes, then plant as soon as practical.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eStorage and Handling\u003c\/h2\u003e\u003cp\u003eStore in a cool, dry place out of direct sunlight at 40–77°F. The powder can be dusty; use appropriate dust protection and follow the current package directions.\u003c\/p\u003e\u003ch2\u003eCompare and Learn\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/inoculants\"\u003eCompare seed inoculants\u003c\/a\u003e, review \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003ehow Rhizobium and root nodules support nitrogen fixation\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/cover-crop-seeds\"\u003ecover crop seed\u003c\/a\u003e.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":21543882686577,"sku":"ISE350","price":8.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/garden-combination-mix-inoculant-treats-8-lb.jpg?v=1747084803"},{"product_id":"pea-vetch-lentil-inoculant-treats-100-lb","title":"Pea Vetch Lentil Inoculant (Treats 100 lb)","description":"\u003cp\u003eThis peat-based seed inoculant contains live Rhizobium culture formulated for Soil Builder Mix, legume-oat mixes, vetch except crown vetch, fava and bell beans, peas, and lentils. One package treats up to 100 lb of seed.\u003c\/p\u003e\u003ch2\u003eCompatible Crops and Coverage\u003c\/h2\u003e\u003cp\u003eUse this formulation for Soil Builder Mix, legume-oat mixes, vetch except crown vetch, fava and bell beans, peas, and lentils. Coverage: up to 100 lb of seed.\u003c\/p\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDampen seed with clean, cool, non-chlorinated water.\u003c\/li\u003e\n\u003cli\u003eAdd only enough inoculant to coat the seed uniformly.\u003c\/li\u003e\n\u003cli\u003eAllow the coating to dry for 1–3 minutes, then plant as soon as practical.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eStorage and Handling\u003c\/h2\u003e\u003cp\u003eStore in a cool, dry place out of direct sunlight at 40–77°F. The powder can be dusty; use appropriate dust protection and follow the current package directions.\u003c\/p\u003e\u003ch2\u003eCompare and Learn\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/inoculants\"\u003eCompare seed inoculants\u003c\/a\u003e, review \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003ehow Rhizobium and root nodules support nitrogen fixation\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/cover-crop-seeds\"\u003ecover crop seed\u003c\/a\u003e.\u003c\/p\u003e","brand":"N-Dure","offers":[{"title":"Default Title","offer_id":21543883112561,"sku":"ISE500","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/pea-vetch-lentil-inoculant-treats-100-lb.jpg?v=1747084801"},{"product_id":"garden-combination-mix-inoculant-treats-50-lbs","title":"Garden Combination Mix Inoculant (treats 50 lbs)","description":"\u003cp\u003eThis peat-based seed inoculant contains live Rhizobium culture formulated for Soil Builder Mix, legume-oat mixes, vetch except crown vetch, fava and bell beans, garden beans, peas, black-eyed peas, soybeans, lentils, lima beans, cowpeas, lespedeza, and peanuts. One package treats up to 50 lb of seed. It is also sold under the N-Dure brand name.\u003c\/p\u003e\u003ch2\u003eCompatible Crops and Coverage\u003c\/h2\u003e\u003cp\u003eUse this formulation for Soil Builder Mix, legume-oat mixes, vetch except crown vetch, fava and bell beans, garden beans, peas, black-eyed peas, soybeans, lentils, lima beans, cowpeas, lespedeza, and peanuts. Coverage: up to 50 lb of seed.\u003c\/p\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDampen seed with clean, cool, non-chlorinated water.\u003c\/li\u003e\n\u003cli\u003eAdd only enough inoculant to coat the seed uniformly.\u003c\/li\u003e\n\u003cli\u003eAllow the coating to dry for 1–3 minutes, then plant as soon as practical.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eStorage and Handling\u003c\/h2\u003e\u003cp\u003eStore in a cool, dry place out of direct sunlight at 40–77°F. The powder can be dusty; use appropriate dust protection and follow the current package directions.\u003c\/p\u003e\u003ch2\u003eCompare and Learn\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/inoculants\"\u003eCompare seed inoculants\u003c\/a\u003e, review \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003ehow Rhizobium and root nodules support nitrogen fixation\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/cover-crop-seeds\"\u003ecover crop seed\u003c\/a\u003e.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":21543883538545,"sku":"ISE505","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/garden-combination-mix-inoculant-treats-50-lbs.jpg?v=1747084800"},{"product_id":"pea-vetch-and-lentils-inoculant","title":"Pea, Vetch \u0026 Lentils Inoculant (Treats 1500 lb)","description":"\u003cp\u003eThis peat-based seed inoculant contains live Rhizobium culture formulated for Soil Builder Mix, legume-oat mixes, vetch except crown vetch, fava and bell beans, peas, and lentils. One package treats up to 1,500 lb of seed.\u003c\/p\u003e\u003ch2\u003eCompatible Crops and Coverage\u003c\/h2\u003e\u003cp\u003eUse this formulation for Soil Builder Mix, legume-oat mixes, vetch except crown vetch, fava and bell beans, peas, and lentils. Coverage: up to 1,500 lb of seed.\u003c\/p\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDampen seed with clean, cool, non-chlorinated water.\u003c\/li\u003e\n\u003cli\u003eAdd only enough inoculant to coat the seed uniformly.\u003c\/li\u003e\n\u003cli\u003eAllow the coating to dry for 1–3 minutes, then plant as soon as practical.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eStorage and Handling\u003c\/h2\u003e\u003cp\u003eStore in a cool, dry place out of direct sunlight at 40–77°F. The powder can be dusty; use appropriate dust protection and follow the current package directions.\u003c\/p\u003e\u003ch2\u003eCompare and Learn\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/inoculants\"\u003eCompare seed inoculants\u003c\/a\u003e, review \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003ehow Rhizobium and root nodules support nitrogen fixation\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/cover-crop-seeds\"\u003ecover crop seed\u003c\/a\u003e.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":21543883866225,"sku":"ISE507","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/pea-vetch-and-lentils-inoculant-treats-1500-lb.jpg?v=1747084799"},{"product_id":"soybean-inoculant","title":"Soybean Inoculant (Treats 300 lb)","description":"\u003cp\u003eThis peat-based seed inoculant contains live Rhizobium culture formulated for soybeans. One package treats up to 300 lb of soybean seed.\u003c\/p\u003e\u003ch2\u003eCompatible Crops and Coverage\u003c\/h2\u003e\u003cp\u003eUse this formulation for soybeans. Coverage: up to 300 lb of soybean seed.\u003c\/p\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDampen seed with clean, cool, non-chlorinated water.\u003c\/li\u003e\n\u003cli\u003eAdd only enough inoculant to coat the seed uniformly.\u003c\/li\u003e\n\u003cli\u003eAllow the coating to dry for 1–3 minutes, then plant as soon as practical.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eStorage and Handling\u003c\/h2\u003e\u003cp\u003eStore in a cool, dry place out of direct sunlight at 40–77°F. The powder can be dusty; use appropriate dust protection and follow the current package directions.\u003c\/p\u003e\u003ch2\u003eCompare and Learn\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/inoculants\"\u003eCompare seed inoculants\u003c\/a\u003e, review \u003ca href=\"\/blogs\/articles\/fixing-nitrogen-in-your-soil-how-that-happens\"\u003ehow Rhizobium and root nodules support nitrogen fixation\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/cover-crop-seeds\"\u003ecover crop seed\u003c\/a\u003e.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":21543884226673,"sku":"ISE555","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/products\/soybean-inoculant-treats-300-lb.jpg?v=1747084798"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/collections\/inoculants-collection-thumbnail_39abbab5-58db-4762-b446-3e8103281aa9.jpg?v=1786831223","url":"https:\/\/www.groworganic.mom\/collections\/inoculants.oembed","provider":"Grow Organic","version":"1.0","type":"link"}