Collection: Soil Amendments & Testing
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Sale
Peaceful Valley Organic Compost (54 Cubic Ft Tote)
20% offRegular price $278.99Sale $278.99Unit price per$349.00Regular priceSale -
Sale
Plant Success Granular Mycorrhizae (5 lb)
24% offRegular price $115.99Sale $115.99Unit price per$152.99Regular priceSale -
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Earthshine Biochar Blend (30 lb)
13% offRegular price $147.99Sale $147.99Unit price per$169.99Regular priceSale -
Plant Success Soluble Mycorrhizae (1 lb)
Regular price $82.99Sale $82.99Unit price per$82.99Regular price -
Soil Moist Natural (10 oz)
Regular price $22.99Sale $22.99Unit price per -
Sale
Mykos Mycorrhizae WP (2.2 lb)
33% offRegular price $65.99Sale $65.99Unit price per$98.99Regular priceSale -
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Blacksmith BioScience Armory (2 oz)
4% offRegular price $47.99Sale $47.99Unit price per$49.99Regular priceSale -
Sale
Mykos Mycorrhizae Granular (50 lb)
33% offRegular price $427.99Sale $427.99Unit price per$642.99Regular priceSale -
Sale
HM Digital pH Hydrotester Meter
28% offRegular price $49.99Sale $49.99Unit price per$69.49Regular priceSale -
Blacksmith BioScience MegaPhos (2 oz)
Regular price $47.99Sale $47.99Unit price per$6.99Regular price -
New
Uni-Gro Vermiculite Soil Additive
Regular price $25.99Sale $25.99Unit price per -
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Organic Live Earth Humates Granular 50lbs
Regular price $25.99Sale $25.99Unit price per -
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Uni-Gro Orchid Bark 8qt
Regular price $10.99Sale $10.99Unit price per -
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Luster Leaf Environmental Concepts Soil Test Kit
Regular price $59.99Sale $59.99Unit price per -
Sale
HM Digital TDS EC/Temp Hydrotester
5% offRegular price $49.99Sale $49.99Unit price per$52.49Regular priceSale -
New
We The Wild - Just Great Organic Houseplant Soil 6qt
Regular price $15.99Sale $15.99Unit price per -
Sale
HM Digital pH Storage Solution (2 oz)
21% offRegular price $10.99Sale $10.99Unit price per$13.99Regular priceQualifies for free shippingSale -
New
True Organic - All Purpose Potting Mix 8qt
Regular price $11.99Sale $11.99Unit price per -
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True Organic - Cactus & Succulent Potting Mix 8qt
Regular price $11.99Sale $11.99Unit price per -
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True Organic - Vegetable & Herb Potting Mix 8qt
Regular price $11.99Sale $11.99Unit price per -
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We The Wild - Soil That Hydrates Potting Soil 6qt
Regular price $19.99Sale $19.99Unit price per -
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We The Wild - Soil That Blooms Potting Soil 6qt
Regular price $19.99Sale $19.99Unit price per -
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Espoma Organic Peat Moss (8 qt)
Regular price $11.99Sale $11.99Unit price per$13.99Regular priceEST. availability: Jun 12, 2026Qualifies for free shippingSold out -
Espoma Organic Perlite (8 qt)
Regular price $12.99Sale $12.99Unit price per$15.99Regular priceQualifies for free shippingSold out -
Super Green Chicken Manure (2000 lb tote)
Regular price $435.00Sale $435.00Unit price per$6.00Regular priceSold out -
Mammoth P Inoculant (8.5 oz)
Regular price $87.99Sale $87.99Unit price per$99.99Regular priceSold out -
Mammoth P Inoculant (4 oz)
Regular price $53.99Sale $53.99Unit price per$53.99Regular priceSold out -
Peaceful Valley Organics Premium Earthworm Castings (27 cu ft tote)
Regular price $430.99Sale $430.99Unit price per$399.99Regular priceSold out -
Biochar Soil Amendment (1 yd Tote)
Regular price $365.99Sale $365.99Unit price per$419.00Regular priceSold out -
Sold outUni-Gro Pumice (1 Cu Ft)
Regular price $16.99Sale $16.99Unit price per$19.99Regular priceSold out
Discover premium soil amendments to enhance your garden's fertility. From organic compost to mycorrhizal inoculants, our collection provides essential nutrients for vibrant plant growth. Transform your soil structure, boost microbial activity, and create the perfect growing environment for your organic garden.