Our mushroom compost, often referred to as mushroom soil, has been steam sterilized to kill all weed seeds. It has high plant nutrient content and water retention ability, which makes it a superior product for enriching, conditioning, mulching and balancing all soil types. This compost is formulated from animal manure, mulched hay, and crushed corn cobs and then steam sterilized. This process produces a weed-free compost, high fertility and mild enough for most indoor and outdoor plants.
Hawk Valley Landscape Materials offers both fresh and aged compost. Aged is about 6-9 months old compared to the fresh, which is straight out of the mushroom house