Mushroom Compost — 1 cu ft Bag

Spent mushroom substrate composted to a rich, dark, fluffy texture — beloved by rose growers, vegetable gardeners, and wine grape vineyards across the North Coast.

• Volume: 1 cubic foot bagged
• Source: pasteurized spent mushroom substrate, fully composted
• Naturally calcium-rich and pH-buffered
• Use as a soil conditioner, mulch, or topdress
• Use rate: 1-2 inches as topdress, or 20% in planting blend
• Made in Cloverdale, CA