About this Product
Mushroom Compost is a nutrient-rich soil enhancer created from the residual substrate used in mushroom cultivation, perfect for enhancing soil structure, moisture retention, and promoting plant growth.
Mushroom Compost, also known as spent mushroom compost or mushroom soil, is not composed of mushrooms. It is a byproduct of mushroom cultivation, mainly consisting of straw, manure (typically from chickens or horses), gypsum, and other agricultural by-products that have been composted and pasteurized to eliminate pathogens and weed seeds. Once the mushrooms are harvested, the leftover substrate is reused as a soil amendment, abundant in organic matter and essential nutrients.
Key features:
High in nutrients
Great for: Gardens beds and improving soil health
Product Notes: Mushroom Compost is naturally sourced, so variation can occur. The products showcased have some variation in either the colour, texture or size. Similarly, other slight variations may occur between the product displayed and the actual product.

