Soil Amendments
Need to improve your soil’s drainage and density or adjust its acid-alkaline balance? Need to provide your roses, azaleas or tomatoes specific minerals or other nutrients? Whether you’re improving your soil from scratch or adding just the right nutrients to encourage blooming, we have the organic soil amendments your growing requires.
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Soil Amendments: An Overview
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Agricultural Gypsum (40 lb)
$12.95Helps loosen heavy clay soils..! SOF'N-Soil Agricultural Gypsum contains about 23% available calcium and 18% sulfur. Also good for raising ...
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Alfalfa Pellets (50 lb)
$19.50Sold as an animal feed, Alfalfa Meal is an excellent nitrogen source (up to 5%). Also contains trace minerals and ...
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Ancient Forest Humus
$10.95Alaska Humus Soil Amendment. General Organics Ancient Forest is a 100% organic product consisting of pure forest humus. It is ...
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Azomite (44 lb)
$24.95A natural source of minerals and trace elements. Azomite (0-0-0.2) is a naturally mined product that is an excellent anti-caking ...
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Blood Meal (50 lb)
$47.50A powerful, natural source of nitrogen! Blood Meal (13-0-0) has been used for years by organic gardeners as a natural, ...
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Bone Meal (4.5 lb)
Espoma All Natural Organic Bone Meal (4-12-0) is a strong source of phosphorous. Perfect for vegetables, flowers and bulbs, it ...
$8.50$6.25 -
Bone Meal (50 lb)
$40.50A very strong source of organic phosphorous. PAR4 Bone Meal (2-14-0) is granulated for easy application and quick uptake by ...
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Buffalo Compost
$8.95BuffaLoam Organic Buffalo Compost stands out as an all-natural and classically all-american source of nutrients for your plants. Composted for ...
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Cottonseed Meal (50 lb)
$30.50A by-product of the cotton industry, Cottonseed Meal (5-2-1) is an excellent source of slow-release nitrogen, phosphorus, potash and numerous ...
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Dr. Earth Alfalfa Meal
$7.50Great for roses and vegetable gardens! Dr. Earth Alfalfa Meal (2-1-2) meets the highest standard of fertility needs for ALL ...
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Dr. Earth Blood Meal
$7.50Dr. Earth kiln-dried Blood Meal (13-0-0) is a strong source of organic nitrogen -- promotes healthy growth in ALL types ...
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Dr. Earth Bone Meal
$7.50A great source of organic phosphorous! Dr. Earth Bone Meal (3-15-0) promotes strong roots and fruit development in ALL blooming ...
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Dr. Earth Cottonseed Meal
$7.50Just go organic! Dr. Earth Cottonseed Meal (5-2-1) is infused with seven strains of Pro-Biotic beneficial soil microbes, which bring ...
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Dr. Earth Fish Meal
$7.50Just go organic! Dr. Earth Fish Meal (9-4-1) is a complete source of primary plant nutrients (N-P-K) infused with seven ...
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Dr. Earth Kelp Meal
$7.50Just go organic! Dr. Earth Kelp Meal (0.6-0.5-2.5) is a superior raw material that actually invigorates and improves the biological ...
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Dr. Earth Soft Rock Phosphate
$7.50A long-lasting source of phosphorous, Dr. Earth Soft Rock Phosphate (0-2-0) greatly benefits root growth and blooming plants. Contains colloidal ...
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Fish Bone Meal
$7.50An excellent source of organic phosphorous and calcium, Dr. Earth Fish Bone Meal (3-18-0) promotes healthy roots, buds and blooms. ...
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Garden Charcoal
$5.50Absorbs excess moisture & removes odors! Use Black Gold Garden Charcoal to improve the soil's texture, density, aeration and drainage. ...
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Garden Gypsum (5 lb)
$6.50An all-natural soil conditioner, Espoma Garden Gypsum loosens clay soils. It is a high purity mineral (the finest grade available ...
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Garden Manure (4 lb)
Espoma All-Natural Organic Garden Manure (4-2-2) feeds plants slowly and safely. Derived from poultry, it is dehydrated to provide higher ...
$5.95$4.25 -
Glacial Rock Dust (50 lb)
$18.95Remineralize the soil! Gaia Green Glacial Rock Dust contains a broad range of trace minerals... minerals which have been slowly ...
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Greensand (50 lb)
$25.95Used as a soil amendment and fertilizer, Greensand (0-0-3) is mined from deposits of minerals that were originally part of ...
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Greensand (7.5 lb)
$8.50All natural potash. Espoma Greensand (0-0-0.1) is a soil conditioner and potash source of the highest quality. Mined from natural ...
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Growstone Super Soil Aerator
$17.50Better for your plants - better for the planet. Growstone combines the best of both worlds, a superior soil aerator ...
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Horticultural Perlite (Fine – Plug Grade)
Lightweight, non-toxic & pH neutral. Supreme Horticultural Perlite is a naturally occurring volcanic rock. When heated, it "pops" and expands ...
$19.95$11.00 -
Kelp Meal (50 lb)
$71.50Made from dried and ground Ascophyllum nodosum seaweed, Kelp Meal (1-0-2) is an excellent source of micronutrients and beneficial plant ...
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Marine Green Compost
Combining sustainably harvested marine by-products with aged humus, Roots Organics Marine Green Compost (0.5-0.1-0.1 + Ca 3%) is an ample ...
$13.95$12.50 -
Organic Chicken Manure
$7.95A local favorite! Ground, composted and 100% organic, Sup'r Green Chicken Manure (3-2-2) provides a well balanced supply of nutrients ...
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Organic Compost
$12.50Builds soil and feeds plants, too! Teufel's Organic Compost provides a microbially active source of organic fertilizers, humus, organic matter ...
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Organic Fish Meal (50 lb)
$72.95Stimulates vigorous growth and deep green color! A strong natural source of nitrogen, Organic Fish Meal (9-4-0) is uniquely processed ...
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Organic Garden Compost
$5.50All the riches of the earth! Black Gold Garden Compost provides organic matter and natural nutrients for your soil, and ...
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Organic Kelp Meal (3.5 lb)
Espoma All Natural Organic Kelp Meal (1-0-2) supplies gardens with nitrogen, potash and a large amount of minerals (too many ...
$19.50$15.00 -
Organic Peat Moss
$12.50A natural, organic soil conditioner! Organic Peat Moss is an excellent all-purpose soil conditioner for acid-loving plants like azaleas, rhododendrons, ...
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Rock Phosphate (50 lb)
$22.50Calphos is a natural, untreated Soft Rock Phosphate (0-3-0) with colloidal clay containing valuable trace minerals in addition to phosphorus. ...
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Roots Organics Big Worm
$29.95Pure & Premium Castings! Roots Organics Big Worm is produced from redworms that are fed an unparalleled blend of organic ...
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Secrets to Great Soil
$19.95A Grower's Guide to Composting, Mulching and Creating Healthy, Fertile Soil for Your Garden and Lawn.With more than 300 detailed ...
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Shellfish Fertilizer (50 lb)
$34.95Derived from 100% Dungeness Crab shells, Shellfish Fertilizer is a natural source of calcium (10.5%), nitrogen, phosphorous, potassium and many ...
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Soil Moist
$10.95Stores over 200 times its weight in water! Soil Moist is a super absorbent "agro-polymer" that traps water that would ...
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Sul-Po-Mag (50 lb)
$37.95Organic Sul-Po-Mag (0-0-22) also known as K-Mag NATURAL is the commercial name for the mineral otherwise known as sulfate of ...
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Worm Castings
$11.50A useful additive to ALL gardens! Worm Castings (1-0-0) are the rich digested organic soil that redworms leave behind. Gardeners ...
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