3 Pack - Your Choice of Mushroom Grain Spawn

Our mushroom grain spawn is grown on 100% certified organic rye berries. It arrives contaminate free, fully developed, and ready to use. Mushroom grain spawn is used to inoculate many bags of bulk substrate quickly, and is the choice methodology for medium and large scale growers. Simply break up the grain spawn well, then transfer some grains to each bag using sterile practices.

10 Day Maximum Lead Time
We generally have a healthy stock of ready-to-use grain spawn available, however some large orders may require us to produce it on demand. In these cases, it can be up to ten days before we ship the order.