Mushroom Spawn

Mushroom Spawn for Sale

Fully Colonized Mushroom Spawn Ready to Use

Below you can find our mushroom spawn collection of fully colonized rye grain spawn. All mushroom spawn arrives ready for immediate substrate inoculation upon arrival.

3-Pound Mushroom Spawn Bags

Three-pound mushroom spawn bags provide bulk quantities for larger cultivation projects. Each mushroom spawn bag can inoculate 15-30 pounds of bulk substrate depending on inoculation rates.

1-Quart Mushroom Spawn Jars

One-quart mushroom spawn jars contain approximately 2 pounds of fully colonized rye grain spawn. Each mushroom spawn jar can inoculate 5-10 pounds of bulk substrate or be used for grain-to-grain expansion.

Browse our complete mushroom spawn collection below.