Mushroom Compost

Spent mushroom substrate — a premium soil amendment packed with organic matter. Dark, crumbly texture that dramatically improves clay soils by increasing drainage and aeration. High in calcium, making it ideal for vegetable gardens. Apply 2–3 inches and till into existing soil for best results. Quarter shown for scale.

Common uses

Soil amendment
Garden beds
Lawn top dressing
Clay soil improvement

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Cedar Grove Compost

Premium organic food-based compost from Cedar Grove — one of Washington State's largest composting facilities. Made from recycled food and yard waste, this nutrient-rich compost improves soil structure, water retention, and provides a slow-release source of essential nutrients. USDA certified organic.

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