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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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    Midwest Meal Worms Frass 10lb
    $34.99
    $34.99
    Mealworms only output is their excrement – known as Castings or Frass. This insect frass is 100% from mealworms! Mix with water for indoor and outdoor use Can be applied via a spreader for la...
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    BAS Wettable Sulfur 5lb
    $39.99
    $39.99
    Growers swear by sulfur for increased terpene production.
    Down To Earth Organic Garden Gypsum Calcium Sulfate 5 lb Down To Earth Organic Garden Gypsum Calcium Sulfate 5 lb
    $16.99
    $16.99
    Down to Earth's Garden Gypsum loosens clay soil. It is prilled, fast-acting, and easy to apply. Down to Earth Garden Gypsum is a five-pound box of all-natural mineral fertilizer and is listed by th...
    BAS Neem and Karajan Mixed 50/50 2.5lb Bag
    $19.99
    $19.99
    Boost your garden's health with BAS Neem and Karajan Mixed 50/50 2.5# Bag. This unique blend of neem and karajan provides a 50/50 mix for maximum benefits. Improve soil quality and protect your pla...
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    Great White Premium Mycorrhizae 4oz Great White Premium Mycorrhizae 4oz
    $41.99
    $41.99
    Research shows that this powerful formula will ignite plant and root growth giving plants the tools they need to maximize yields; Enables explosive root growth increased yields increased fruitin...
    Hoffman Garden Gypsum - 5 lbs. Hoffman Garden Gypsum - 5 lbs.
    $12.99
    $12.99
    Features Pelletized Garden Lime Reduces soil acidity to sweeten and soil Makes key nutrients more available to plant roots Blended with perlite and vermiculite when custom soilless potting mix is d...
    Plant Success Great White Mycorrhizae Roots Boost - 8 oz.
    $75.99
    $75.99
    The **Great White Mycorrhizae** Formula is the most advanced product on the market today. The cutting edge formula contains 15 different species of mycorrhizal fungi 19 different species of benefi...
    RVLS Pumice 0.5cf
    $24.99
    $24.99
    Riverview Living Soils Pumice 0.5cf — a premium volcanic mineral amendment that dramatically improves soil drainage, aeration, and root zone structure. Pumice is a lightweight, porous rock that hol...
    Bloomin' Soil Organic Flower Booster Bloomin' Soil Organic Flower Booster
    from $29.95
    from $29.95
    Bloomin' Soil - Organic Flower Booster | Elm Dirt Why Your Flowers Will Love Bloomin' Soil The organic way to bigger, longer-lasting blooms witho...
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    Premium Douglas Fir Orchid Bark Premium Douglas Fir Orchid Bark
    $14.95
    $14.95
    Douglas Fir Orchid Bark - Professional Growing Medium | Elm Dirt The...
    Ancient Soil Organic Living Soil Ancient Soil Organic Living Soil
    from $29.95
    from $29.95
    Transform Your Soil Into a Living Ecosystem Ancient Soil combines five premium organic ingredients to create the ultimate bio-active growing mediu...
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    Premium Aroid Mix For Tropical Plants Premium Aroid Mix For Tropical Plants
    from $19.95
    from $19.95
    Premium Aroid Mix - Organic Potting Soil for Tropical Plants Stop drowning your Monstera in dense potting soil. This chunky aroid mix recreate...
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    All-Purpose Soil Mix All-Purpose Soil Mix
    from $24.95
    from $24.95
    Peat-Free All-Purpose Potting Mix with Ancient Soil Peat-free potting soil that actually works. Living organic mix with Ancient Soil, mushroom...
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    Seedling Mix for Seed Starting Seedling Mix for Seed Starting
    $24.95
    $24.95
    Organic Seedling Mix - Seed Starting Soil Light, fluffy seed starting mix that gives seeds what they actually need—room to germinate, gentle n...
    Royal Gold All Purpose Fertilizer 5-5-5 1lb
    $9.99
    $9.99
    Crown Jewels® All Purpose is a 5-5-5 fertilizer with 5% Calcium for well-rounded nutrition in any garden. Ideal for houseplants, pre-amending soils, top-dressing, or compost teas. Approved for orga...
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    Scietetics COCO 6
    $1.00
    $1.00
    Scietetics COCO 6" BLOCK (1 Gallon Volume)
    PVP Vermiculite Medium 4cf
    $36.99
    $36.99
    Boost your gardening game with PVP Vermiculite Medium 4cf! This lightweight and moisture-absorbing medium provides essential nutrients and helps aerate your soil for healthier plants. Enjoy an abun...
    BAS Fish Bone Meal 20lb
    $79.99
    $79.99
    Boost your garden's growth with BAS Fish Bone Meal! This 20lb blend of all-natural fish bones provides essential nutrients to your plants, resulting in healthier and more vibrant foliage. Experienc...
    BAS TeraKashi Bokashi Pouch 5lb
    $60.00
    $60.00
    This 5lb TeraKashi Bokashi Pouch is an essential addition to any amateur or professional gardener's toolkit. Made with 100% natural ingredients, it increases soil fertility by breaking down organic...
    37% Off
    Plant Success Orca Liquid Mycorrhizae 1 Gallon
    $147.99
    $147.99
    $234.99
    This highly concentrated liquid mycorrhiza and bacteria product brings together 4 extremely effective endo mycorrhiza species with 14 aggressive bacteria strains. A powerful inoculant that is clean...
    Advanced Nutrients Tarantula 1L
    $93.99
    $93.99
    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...
    Advanced Nutrients Piranha 1L
    $93.99
    $93.99
    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...
    BAS Horticulture Aloe 4oz
    $79.99
    $79.99
    BuildASoil's New Horticultural Aloe! Build-A-Soil Horticultural Aloe is a 100% pure Aloe Vera concentrate powder. We only use mature organic Aloe Barbadensis Miller leaves which are processed and f...
    BAS AG Limestone 4lb
    $13.99
    $13.99
    BAS AG Limestone 4lb is a professional-grade product designed for agricultural purposes. This high-quality limestone supplement contains essential minerals that can improve soil pH levels, promotin...
    BAS Malted Grain for SST 1.5lb Organic
    $15.99
    $15.99
    Certified Organic Two Row Malted Barley 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 B...
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    Espoma .75cf Mushroom Compost
    $9.99
    $9.99
    Espoma Organic Mushroom Compost Blend is the ultimate compost mix to use for planting vegetables, flowers, trees and shrubs.  It combines rich mushroom compost with aged forest products to make the...
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    BAS Kashi Blend 5lb
    $60.00
    $60.00
    Discover how our Kashi Blend, a diverse grain bokashi, can jumpstart your gardening and composting efforts! WHATS IN YOUR KASHI BLEND? Our Kashi Blend is derived from organic molasses, organic rice...
    BAS Blue Corn Seed 2.5lb
    $13.99
    $13.99
    Blue Corn Seed is certified Organic and totally untreated this is a food grade product that is rare to find. The Enzymes are a catalyst that assist the other nutrients and help super charge your so...
    BAS Oly Mountain Fish Compost 2 Gallon
    $25.00
    $25.00
    Oly Mountain Compost is 2 year hard wood and Alaskan wild caught fish compost. It's legendary, dark black and glorious.
    Fish Shit 5L
    $299.99
    $299.99
    Ain't No Other Shit Like Fish Shit! What Is Fish Head Farms Fish Shit? FishHead Farms Fish Shit is an organic soil conditioner. Fish shit nutrients are from a secret mix of feed that Tilapia love....
    BAS Big 6 Micronutrients + Humic Acid 1 Kilo
    $104.28
    $104.28
    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 Coconut Water Powder 2lb
    $79.99
    $79.99
    100% Pure Freeze Dried Coconut Water Powder For Your Garden! Now Even More Soluble. Build-A-Soil Coconut Powder is manufactured from organic coconuts in India. When coconuts reach optimum ripeness ...
    BAS Glacial Rock Dust Gia Green 4lb
    $12.99
    $12.99
    Enhance your gardening game with BAS Glacial Rock Dust Gia Green 4lb. Infused with nutrient-rich minerals, this dust promotes healthy soil and plant growth. Boost your plants' vitality and yield wi...
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    BAS Wettable Sulfur 1lb
    $14.99
    $14.99
    BAS Wettable Sulfur is a powerful and versatile product that effectively controls various fungal diseases on crops and plants. Made of 90% sulfur, it offers long-lasting protection and helps to imp...
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    BAS Bio-Char Raw Bio Char 2 Gallon
    $22.99
    $22.99
    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 Bi...
    Gaia Green 1.5kg Greensand
    $29.99
    $29.99
    GAIA GREEN Greensand is mined from ancient, nutrient-rich deposits of oceanic sediment. Over time, this sediment developed into glauconite, which is highly effective as a slow-release fertilizer us...
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    Wildroot Organic 1oz Mycorrhizae
    $12.99
    $12.99
    This 1oz Wildroot Mycorrhizae is a powerful blend of organic ingredients, designed to promote healthy plant growth. With its beneficial fungi, it helps plants absorb more water and nutrients, resul...
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    Root Riot 50 Cube Tray (12/Cs)
    $26.50
    $26.50
    Root Riot 50 Cube Tray Introducing Root Riot 50 Cube Tray - the perfect solution for propagating seedlings and cuttings. With 50 cubes per tray, you'll have plenty of room for all your garden needs...
    Speedgrow Basic 6” Bigcube (40/cs)
    $3.99
    $3.99
    The Speedgrow Basic 6” Bigcube (40/cs) is the perfect growing medium for your plants. Made with high-quality Rockwool, it provides a stable and nutrient-rich environment for your plants to thrive i...
    Speedgrow Basic 8” Bigcube 18/Cs
    $8.99
    $8.99
    The Speedgrow Basic 8” Bigcube is a must-have for any gardening enthusiast. Its unique design allows for maximum aeration and drainage, promoting healthy root growth and overall plant health. With ...

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