Collection: Soil Amendments
Boost the health of your soil and plants with organic soil amendments!
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Peaceful Valley Organic Compost (1 Cu Ft)
Regular price $6.99Sale $6.99Unit price per -
Sup'R Green Organic Chicken Manure (Composted) (25 lb)
Regular price $6.99Sale $6.99Unit price per -
Peaceful Valley Organics Premium Earthworm Castings (1 cu ft)
Regular price $22.74Sale $22.74Unit price per -
Perlite (4 Cu Ft)
Regular price $32.99Sale $32.99Unit price per -
Vermiculite (3.5 Cu Ft Bag)
Regular price $79.99Sale $79.99Unit price per$0.00Regular price -
Humic Acids, Granular (5 lb Box)
Regular price $13.99Sale $13.99Unit price per -
Bio/Organics Endomycorrhizal Inoculant (1.5 lb)
Regular price $49.99Sale $49.99Unit price per -
Activate 80 Coarse Grade Humate (50 lb)
Regular price $36.89Sale $36.89Unit price per -
MycoMinerals Soil Amendment (4 lb bag)
Regular price $30.99Sale $30.99Unit price per -
Humax (Gallon)
Regular price $22.99Sale $22.99Unit price per -
Chappy's Power Organics Mycorrhizal Root Booster (8 Oz)
Regular price $32.99Sale $32.99Unit price per -
Mykos Mycorrhizae Granular (2.2 lb)
Regular price $35.99Sale $35.99Unit price per -
Foxfarm Happy Frog Soil Conditioner (3 Cu Ft)
Regular price $31.99Sale $31.99Unit price per -
Bio/Organics Endomycorrhizal Inoculant (3 lb)
Regular price $83.99Sale $83.99Unit price per -
Plant Success Granular Mycorrhizae (1 lb)
Regular price $21.99Sale $21.99Unit price per -
Chappy's Power Organics Mycorrhizal Root Booster (4 Oz)
Regular price $24.99Sale $24.99Unit price per -
Chappy's Power Organics Mycorrhizal Root Booster (24 Oz)
Regular price $64.99Sale $64.99Unit price per -
Catalyst Craft Compost
Regular price $24.99Sale $24.99Unit price per -
Black Gold Peat Moss (3 Cu Ft)
Regular price $40.99Sale $40.99Unit price per -
Plant Success Soluble Mycorrhizae (4 oz)
Regular price $28.99Sale $28.99Unit price per -
Mykos Mycorrhizae WP (12 oz)
Regular price $24.99Sale $24.99Unit price per -
Humax (5 Gallon)
Regular price $79.99Sale $79.99Unit price per -
MontanaGrow Organic Granular Silicon (25 lb)
Regular price $64.99Sale $64.99Unit price per -
Earthshine Biochar Blend (5 lb)
Regular price $39.99Sale $39.99Unit price per -
New
E.B. Stone Organic Compost 1 Cu Ft
Regular price $8.99Sale $8.99Unit price per -
Pro-Mix HP Mycorrhizae (3.8 cu ft)
Regular price $76.99Sale $76.99Unit price per -
Peaceful Valley Organic Compost (54 Cubic Ft Tote)
Regular price $278.99Sale $278.99Unit price per -
Espoma Organic Peat Moss (8 qt)
Regular price $11.99Sale $11.99Unit price per -
Earthshine Biochar Blend (30 lb)
Regular price $147.99Sale $147.99Unit price per -
Plant Success Soluble Mycorrhizae (1 lb)
Regular price $82.99Sale $82.99Unit price per -
Soil Moist Natural (10 oz)
Regular price $22.99Sale $22.99Unit price per -
Mykos Mycorrhizae WP (2.2 lb)
Regular price $65.99Sale $65.99Unit price per
Collection: Soil Amendments and Soil Testing
Soil amendments are used to change specific chemical, biological, or physical soil properties. Select an amendment from a documented need, ideally supported by a soil test, crop requirement, and the product's analysis or label.
Do not treat all amendments as interchangeable. Review application rate, timing, incorporation, certification wording, and handling precautions. For structure-focused materials, visit Soil Conditioners; for plant nutrients, see Fertilizer and Growing Supplies.