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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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Organic
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    Malibu Bu's Bio Seed Starter 12qt
    $23.99
    $23.99
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    BAS Yah-Whey Thrive 1 Gallon
    $66.00
    $66.00
      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 o...
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    Advanced Nutrients Voodoo Juice 250ml
    $19.99
    $19.99
      Unleash massive yields with our flagship product for roots. Voodoo Juice® features four hand-selected strains of bacilli that work synergistically to optimize conditions for increasing the surfac...
    Down To Earth Acid Mix - 5 lb
    $14.99
    $14.99
    Down To Earth’s Acid Mix 4-3-6 is a fertilizer blended for plants that thrive in a low pH soil like blueberries and raspberries, rhododendrons, azaleas, hydrangeas, evergreen trees and shrubs. To e...
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    BAS Rootwise Mycrobe Complete 4oz
    $61.99
    $61.99
      A diverse inoculum of Beneficial Microbes and Mycorrhizae establishes soil-to-root relationships that may assist nutrient uptake, pathogen resistance, and overall plant vigor. Employing full-spec...
    Down To Earth Fish Bone Meal 5lb
    $15.99
    $15.99
    Down To Earth Fish Bone Meal 4-12-0 is a marine-based alternative to traditional steamed bone meal and is a great source of organic phosphorus and calcium. As one of the three big nutrients for pla...
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    BAS Rootwise Bio-Catalyst Enzyme Elixer 1Pt
    $42.99
    $42.99
    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...
    BAS Gnarly Barley Artisan Sprouted Seed Blend 2lb
    $25.00
    $25.00
    Gnarly Barley from BuildASoil.com is not just a soil amendment, it's a game changer for your plants. Not only does the sprouting of these specialty seeds increase nutrient availability, like it doe...
    Hoffman 18Qt Horticultural Vermiculite
    $21.99
    $21.99
    Enhance your gardening experience with Hoffman 18Qt Horticultural Vermiculite. Made from natural materials, this product creates a lightweight and absorbent soil for optimal plant growth. Perfect f...
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    BAS NutriGrow Organic Chicken Manure 2 Gallon
    $20.00
    $20.00
    Enhance your soil with BAS NutriGrow Organic Chicken Manure. This 2-gallon bag is rich in essential nutrients and beneficial microorganisms, promoting healthy plant growth and increased yields. Mad...
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    BAS Rootwise Bio-Phos Bloom Support 4oz
    $80.00
    $80.00
    A full-spectrum soil inoculant formulated with an emphasis on microbes which mobilize Phosphorus in all soils.
    Hoffman 20# Organic Compost and Manure 1-1-1- 20lbs Hoffman 20# Organic Compost and Manure 1-1-1- 20lbs
    $13.99
    $13.99
    Rich all-natural garden plant food. The safe, chemical-free way to grow beautiful flowers and organic vegetables. Successful gardening begins with the help of Hoffman's organic gardening. Organic c...
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    Down to Earth Organic Blood Meal Fertilizer Mix 12-0-0 4 lb Down to Earth Organic Blood Meal Fertilizer Mix 12-0-0 4 lb
    $21.99
    $21.99
    The high nitrogen found inDown to Earth?s Blood Meal fertilizer promotes rapid vegetative growth. Down to Earth Blood Meal is a 4-pound box of all-natural blood meal with 12-0-0 formulation A readi...
    Speedgrow Green 3” Starter Cube
    $1.99
    $1.99
    Introducing the Speedgrow Green 3” Starter Cube - the perfect solution for quick and healthy plant growth. With its advanced technology and high-quality materials, this cube provides the perfect en...
    BAS Phosphorus Blend: Pushin’ P 3lb
    $29.99
    $29.99
    BuildASoil's new high Phosphorous blend is a 4-in-1 product designed to be a diverse amendment with a focus on organic sources of Phosphorus.  Organic phosphorus sources are few and this blend is a...
    BAS Kashi Gold 2lb
    $29.99
    $29.99
    Your mulch isn’t breaking down fast enough, nutrients feel “locked up,” and you want that living-soil pop without overcomplicating things? Kashi Gold is our answer: an artful, small-batch bokashi d...
    Advanced Nutrients Voodoo Juice 1L
    $111.99
    $111.99
     Unleash massive yields with our flagship product for roots. Voodoo Juice® features four hand-selected strains of bacilli that work synergistically to optimize conditions for increasing the surface...
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    Down to Earth Oyster Shell 1 lb
    $3.99
    $3.99
    Down To Earth’s Oyster Shell is an all-natural and high-quality source of the essential plant nutrient calcium. Ancient oyster shells are carefully harvested and then ground into small, medium and ...
    Down To Earth Organic Alfalfa Meal Fertilizers Mix 2-0-1 4lb
    $14.99
    $14.99
    Down To Earth's Alfalfa Meal promotes accelerated growth and plant development. A four-pound box of all-natural fertilizer with a 2-0-1 ratio is listed by the Organic Materials Review Institute (OM...
    BAS Craft Blend - Nutrient Pack 12lb
    $50.00
    $50.00
    BuildASoil Craft Blend started with a big workshop full of the best and cleanest soil amendments available. I quickly became spoiled and would use all of the BuildASoil ingredients together and in ...
    Advanced Nutrients Piranha 250ml
    $22.99
    $22.99
    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 w...
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    Gaia Mineralized Rock Phosphate 2KG
    $19.99
    $19.99
    GAIA GREEN® ORGANICS Mineralized Phosphate is mined from caves and has potent phosphorus content. Mineralized phosphate has been known since ancient times to be a highly beneficial natural fertiliz...
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    BAS BIG 6 300G Micronutrients + Humic Acid
    $39.60
    $39.60
    BuildASoil BIG 6 Micronutrients + Humic Acid We have done thousands of soil tests and over the years and we've noticed that our particular soils are usually very high in Iron but very low in mangan...
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    BAS 12 Seed Clover Cover Crop 3lb
    $47.99
    $47.99
    Designed To Encourage Mycorrhizal Fungi Populations Perfect for Raised beds or Container plants. Almost 60% Clover Seed from 4 types of clover. Designed To Encourage Mycorrhizal Fungi Populations. ...
    Down To Earth Kelp Meal - 4lb Down To Earth Kelp Meal - 4lb
    $29.99
    $29.99
    Kelp Meal is pure Ascophyllum nodosum seaweed from the clean, cold waters of the North Atlantic Ocean. It is hand-harvested, carefully dried, and finely milled. Our Kelp Meal provides a rich natura...
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    MIIM Horticulture Microbial Mass PRO 250ml
    $74.99
    $74.99
      MIICROBIAL MASS PRO is a plant amendment product comprised of several unique species of beneficial bacteria shown to promote plant vigor, increase plant biomass, and enhance microbial life in and...
    Gaia Green 2KG Basalt Rock Dust Fertilizer
    $16.99
    $16.99
    BENEFITS Finely ground rock dust from glacial moraine helps to re-mineralize soil. An excellent source of magnesium, iron, manganese and trace elements. Helps improve soil structure, moi...
    Third Eye Organic Bio Char Third Eye Organic Bio Char
    $34.99
    $34.99
    100 % Organic Living Biochar Soil and Medium Amendment . We start with the Highest quality Sterile Biochar made of hard and soft woods. Our time tested Inoculation process positively charges our c...
    Down To Earth Organic Bat Guano Fertilizer Mix 7-3-1 2lb
    $19.99
    $19.99
    The undisputed champion of organic fertilizers Bat Guano 7-3-1 is rich in readily available Nitrogen Phosphorus and Micronutrients providing essential plant nutrition for vigorous vegetative grow...
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    FloraFlex Incubator Plugs 40|40 50ct 1.25x1.25 Hole Size 1/8 Flora Flex
    $24.99
    $24.99
    Introducing the FloraFlex Incubator Plugs 40|40, available in a convenient pack of 50. These plugs feature a hole size of 1.25x1.25, perfectly designed for your needs. Crafted with precision using ...
    Lambert Peat Moss 3.8Cf
    $39.99
    $39.99
    Lambert® White Premium High Yield Peat Moss - 3.8cu ft - Compressed (30/PL) This coarse grade particle size peat moss is the perfect choice for growers who formulate their media. The physical prope...
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    Mother Earth Perlite #3 - 4 cu ft (30/Pit)
    $49.99
    $49.99
    Mother Earth® Perlite is naturally occurring siliceous rock that expands up to 20 times its original volume when heated to 1600° F. This kilning process is very similar to popping popcorn and produ...
    DTE Solution Grade Langbeinite 0-0-21.5 OMRI 1lb
    $11.99
    $11.99
    Down To Earth Solution Grade Langbeinite 0-0-21.5 – 1 lb Down To Earth Solution Grade Langbeinite is a premium, water-soluble potassium-sulfate-magnesium fertilizer ideal for fertigation, foliar fe...
    Hoffman 4qt Seed Starter Soil
    $12.99
    $12.99
    Give your seeds the best possible start with Hoffman Seed Starter Soil — a premium, lightweight growing mix specially formulated for germination and early seedling development. Ideal for starting s...
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    BAS Craft Blend - Nutrient Pack 10lb
    $49.99
    $49.99
    BuildASoil Craft Blend BuildASoil's highest and most reviewed product. Growers just like you trust craft blend because they trust BuildASoil. Imagine having a workshop full of the finest, cleanest ...
    Hoffman Horticultural Vermiculite 2cf
    $54.99
    $54.99
    Discover the wonder of Hoffman Horticultural Vermiculite 2cf! Boost your gardening game with this lightweight and aerating soil amendment. Grow healthier plants with improved moisture retention and...
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    BAS Thrive Holy Cow BAS Thrive Holy Cow
    from $60.00
    from $60.00
    🌿 Thrive Holy Cow 🐄 4x Concentrated Yah-Whey High Potency Calcium and Phosphorous Fermentation Plant Booster  4 Times as concentrated as Yah-Whey Why is it called Holy Cow? Well, it's derived f...
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    Royal Gold Basement Mix 1.5cf
    $33.99
    $33.99
      Basement Mix by Royal Gold sets the standard for coco fiber based potting mixes. Developed through years of field application and trial and error, Basement Mix allows traditional container ...
    BAS Rootwise Bio-Phos Bloom Support 2oz
    $45.00
    $45.00
    Boost your bloom with BAS Rootwise Bio-Phos Bloom Support! This full-spectrum soil inoculant harnesses the power of microbes to effectively mobilize Phosphorus in all types of soils. Watch your pla...
    Down to Earth Azomite - 5 lb
    $12.99
    $12.99
     Down To Earth’s AZOMITE is a natural mineral product mined in central Utah. This unique deposit was formed when an ancient volcano erupted and its ash settled into a prehistoric seabed creating a ...

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