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All Soil, Media & Amendments

206 products

Everything for building healthy soil — potting and soilless media, dry amendments and minerals, compost and worm castings, and beneficial microbes.

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    Down To Earth Crab Meal - 5lb
    $16.99
    $16.99
    A byproduct of the West Coast crab harvest, Down To Earth’s Crab Meal 4-3-0 is a wonderful source of plant nutrients for vegetable gardens, flower beds and field crops. The coarse texture of DTE Cr...
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    Advanced Nutrients Voodoo Juice Plus (10 Tablets)
    $76.00
    $76.00
      Boost Crop Value With Advanced Nutrients’ Voodoo Juice® Plus Tablets Get ready to raise your bud weight for a fraction of the price of using Voodoo Juice®, Piranha®, and Tarantula®. Voodoo Juice®...
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    Great White Mycorrhizae 1 Quart Great White Mycorrhizae 1 Quart
    $244.99
    $244.99
    Great White is the most advanced mycorrhizal product on the market today. The cutting-edge formula contains 15 different species of mycorrhizal fungi, 19 different species of beneficial bacteria, 2...
    BAS Gnarly Barley Artisan Sprouted Seed Blend 6lb
    $44.00
    $44.00
    Gnarly Barley will help you grow the best plants of your life. Problem: How to keep nutrients available to fast growing plants in living soil? Solution: Freshly ground Gnarly Barley! Gnarly Barle...
    BAS Kashi Blend 2lb
    $30.00
    $30.00
    Our Kashi Blend is derived from organic molasses, organic rice bran, organic wheat bran, organic soybean meal, organic insect frass, EM-1, and trace minerals. Post Fermentation: Organic powdered ma...
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    Advanced Nutrients Tarantula 250ml Advanced Nutrients Tarantula 250ml
    $19.99
    $19.99
    Add beneficial bio-fertilizers to your grow and optimize conditions for explosive yields. Tarantula® delivers optimal ratios of hand-selected bacteria for enriching your garden’s root zone. Increa...
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    Mammoth P 500ml
    $139.99
    $139.99
    MAMMOTH® P, a team of beneficial plant microbes, increases phosphorus and micronutrient availability in all growth stages and pairs well with your fertilization program. MAMMOTH P has a near-neutra...
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    Mammoth P 250ml
    $89.99
    $89.99
    MAMMOTH® P, a team of beneficial plant microbes, increases phosphorus and micronutrient availability in all growth stages and pairs well with your fertilization program. MAMMOTH P has a near-neutra...
    BAS Jay Plantspeaker’s Quillaja Saponaria Extract Powder 8oz
    $80.00
    $80.00
    BAS 8oz Jay Plantspeaker’s Quillaja Saponaria Extract Powder
    BAS Small Lava Rock 1/2cf
    $30.00
    $30.00
    Beautiful Small Black Lava Rock looks like small/medium perlite and is much better. This small black lava rock comes with black lava rock powder in it and will add to the minerals in your soil Las...
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    BAS EM 1 Microbial Inoculant Qt
    $43.99
    $43.99
    EM-1 Microbial Inoculant is a naturally-fermented, live microbial blend of beneficial food grade microorganisms. EM-1 Microbial Inoculant is a safe probiotic for all plants, soils, cut flowers, fi...
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    BAS Organic Rice Bran 7.5lb
    $24.99
    $24.99
    We love this rice bran for soil building! We purchase OMRI listed rice bran and it is excellent for building soil. This material is very high in P and our most recent test shows over 6% water sol...
    BAS Mustard Seed Meal 2lb Milled
    $21.99
    $21.99
    BuildASoil's Favorite Mustard Seed Meal Fertilizer is approved for organic production. Our fertilizer is rich in natural plant nutrients and amino acids. Its formulation is 100% plant-derived allo...
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    BAS Cover Crop Rye/Clover 70/30 1.5lb
    $15.99
    $15.99
    This BAS Cover Crop Rye/Cloner 70/30 1.5# is a versatile cover crop mix that is perfect for improving soil health and fertility. This mix contains 70% rye and 30% clover, providing excellent weed s...
    BAS Thrive Probiotics Yah-Whey Qt
    $40.00
    $40.00
    Yah Whey by Thrive Probiotics Revolutionary liquid probiotic crafted from the Whey of Kefir Researching Kefir quickly leads one to find a myriad of legends pertaining to this ancient, thousands of...
    Gaia Green 2KG Glacial Rock Dust
    $14.99
    $14.99
      GAIA GREEN Glacial Rock Dust is sourced from mineral deposits left by moving glaciers during the last ice age. This natural fertilizer contains essential plant nutrients that support strong plant...
    BAS Craft Blend - Nutrient Pack 44lb
    $140.00
    $140.00
    Craft Blend weighs about 8.3 Ounces per cup Ingredients all Equal by Weight: Thorvin Premium Kelp Meal Black Soldier Fly Insect Frass Alfalfa Meal BuildASoil Organic High P Bran Camelina Meal Cr...
    BAS Barley Straw Mulch Compressed Box
    $29.99
    $29.99
    Looking for mulch but don't have a farm in your backyard? BuildASoil has access to an abundance of straw and are happy to ship you some for your small garden. Larger gardens will benefit from sourc...
    Down To Earth All Natural Seabird Guano Fertilizer Mix 0-11-0 5lb Down To Earth All Natural Seabird Guano Fertilizer Mix 0-11-0 5lb
    $29.99
    $29.99
    Down to Earth's Seabird Guano 0-11-0 dramatically increases both the amount and size of blooms. Down to Earth Seabird Guano is a five-pound box of all-natural fertilizer with a 0-11-0 formula and i...
    MIIM Horticulture Microbial Mass 125ml
    $19.99
    $19.99
    MIICROBIAL MASS harnesses the latest scientific understanding of rhizospheric microbiology and has been carefully developed to harness the power of beneficial bacteria in the root zone. Part of ou...
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    Mammoth P 120ml
    $49.99
    $49.99
    Mammoth P 120ml Take Control Naturally with Mammoth Biocontrol Our scientists identified and selected key pest-prevention compounds found in thyme oil to protect your plants. Highly effective in ...
    BAS Horticultural Aloe 1oz
    $29.99
    $29.99
    Introducing BuildASoil's innovative Horticultural Aloe! Key Points: By harnessing the power of Aloe Vera's Lignin, plants can effectively utilize nutrients and moisture while minimizing stress. P...
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    BAS Heady Start Seedling Soil Recipe
    $28.00
    $28.00
    Heady Starts Seedling Soil Best Texture + Best Nutrition = Heady Starts We mixed all our favorite extras into the perfect texture of PRO-MIX to make a superior Plug and Seedling grade soil. Excell...
    32% Off
    Mammoth P Active Microbials Mammoth P Active Microbials
    from $29.99
    from $29.99
    $44.10
    Advanced Nutrient Uptake with Mammoth P Mammoth P Active Microbials utilizes a specialized blend of beneficial bacteria to unlock phosphorus and micronutrients that are often bound in the growing m...
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    BAS 12 Seed Clover Cover Crop 1lb
    $25.99
    $25.99
    12 Species Of Cover Crop Seeds - Non GMO - All Natural This Recipe has been tweaked over the years and is finally where we like it. Perfect for Raised beds or Container plants. Almost 60% Clover Se...
    BAS Bio Char - Charged 2 Gallon
    $26.99
    $26.99
    Enhance your soil's performance with our premium-grade Bio Char, a revolutionary product designed to improve soil health, water retention, and plant growth. At BuildASoil, we offer two types of Bio...
    BAS Fish Bone Meal 2lb
    $17.99
    $17.99
    Unlock the true potential of your plants with BAS Fish Bone Meal! This 2lb bag of all-natural and organic fertilizer is packed with vital nutrients and minerals necessary for healthy plant growth. ...
    Advanced Nutrients Piranha 500mL
    $45.99
    $45.99
      Piranha® is loaded with powerful fungi for maintaining a well-balanced, yield-boosting root zone. With the help of beneficial bacteria, these fungi break down nutrients into plant-available forms...
    BAS Basalt 5 lb
    $15.99
    $15.99
    Boost your garden's health and growth with BAS Basalt 5 lb. Made from volcanic rock dust, this 5 lb bag will enrich your soil and nourish your plants for a thriving garden. Add essential minerals t...
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    BAS Horticultural Coconut Water Powder 1 lb
    $46.00
    $46.00
    BuildASoil Horticultural Coconut 100% Pure Freeze Dried Coconut Water Powder For Your Garden! Now Even More Soluble. No Fillers or starches, just pure all natural freeze dried young coconut water p...
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    BAS Rootwise Mycrobe Complete 8oz
    $85.00
    $85.00
      ROOTWISE MYCROBE COMPLETE is "A diverse inoculum of Beneficial Microbes and Mycorrhizae which establish soil-to-root relationships that may assist nutrient uptake, pathogen resistance, and overal...
    Down To Earth Fish Meal - 5 lb
    $23.99
    $23.99
    Down To Earth Fish Meal 8-6-0 FertilizerFish Meal is an excellent source of Nitrogen and Phosphorus and is recommended for vegetable gardens, flower beds and all types of outdoor plants, trees and ...
    Down To Earth Feather Meal - 5 lb
    $15.99
    $15.99
     Down To Earth’s Feather Meal 12-0-0 is derived from hydrolyzed, dried and ground poultry feathers. An all-natural source of slow-release nitrogen, it is perfect for corn, tomatoes and fall harvest...
    Down To Earth Neem Seed Meal - 5 lb
    $24.99
    $24.99
     Down To Earth’s Neem Seed Meal 6-1-2 is an excellent all natural fertilizer for enriching garden and agricultural soils and encouraging optimum plant development. Cold pressed from the seeds of th...
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    BAS EM 1 Microbial Inoculant 1 Gallon
    $93.50
    $93.50
    EM-1 Microbial Inoculant is a naturally-fermented, live microbial blend of beneficial food grade microorganisms. EM-1 Microbial Inoculant is a safe probiotic for all plants, soils, cut flowers, fis...
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    BAS Rootwise Bio Catalyst Enzyme Elixir 1Qt
    $56.00
    $56.00
    BIO-CATALYST ENZYME ELIXIR The digestive enzymes in this elixir are the catalysts of the soil biology process which enables nutrient uptake. When applied in tandem with a soil inoculant, en...
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    BAS Milled Malted Barley 1.5lb
    $15.99
    $15.99
    No More Sprouting Barley! Malted Barley comes professionally sprouted then dried ready for your SST. We now offer two types of Malted Barley: Whole Malted Barley - Grind at home for the freshest s...
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    Organics Alive BCC Living Compost 25lb
    $69.99
    $69.99
    Organics Alive has partnered with CURESOIL and leading vermiculture operators and BCC certified agronomists to bring you Biologically Complete Compost. This remarkable material is BCC approved and ...
    Organics Alive BCC Living Compost 10lb
    $29.99
    $29.99
    Organics Alive has partnered with CURESOIL and leading vermiculture operators and BCC certified agronomists to bring you Biologically Complete Compost. This remarkable material is BCC approved and...
    BAS Mustard Seed Meal 10lb Milled
    $44.00
    $44.00
    BuildASoil's Favorite Mustard Seed Meal Fertilizer is approved for organic production. Our fertilizer is rich in natural plant nutrients and amino acids. Its formulation is 100% plant-derived allow...

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