Fun starts with a spore.
Grain spawn is mycelium grown into organic grain (usually millet or rye) substrates. Grain spawn can be used to inoculate other substrates and boost mushroom production. It’s important to know that grain spawn is easily contaminated, more so than plug (wood/log) spawn. It’s important to make sure you have a sterile environment and the proper equipment to ensure the best results from your spawn.
Grain spawn is popular among commercial specialty mushroom growers and hobbyists because of the many mushroom varieties available. The nitrogen-rich grains feed fungi, so they can start off strong from the beginning of the growing process. In short, grain spawn allows you to