Colonized Grain Spawn (15lbs)

Each order comes with (5) 3lb bags [15lbs total per order] Grow Mushrooms at Home or at Scale—19 Varieties Available Our lab-crafted grain spawn is made with a sterile blend of  non-GMO red sorghum (milo) and limestone (calcium carbonate) colonized by active mycelium for reliable and productive mushroom cultivation. Choose from 19 popular varieties, including Lion’s Mane (Hericium erinaceus), Turkey Tail (Trametes versicolor), Blue Oyster (Pleurotus columbinus), Shiitake (Lentinula edodes), Chestnut (Pholiota aurivella), and many more. Whether you’re a hobbyist grower or scaling up for commercial production, our spawn is ready to help you start your next flush. Each 3lb grain spawn block is made in-house in our Baltimore mycology lab, using trusted cultures and methods to ensure vigorous, fast-colonizing results. Just pair with a bulk substrate in a sterile environment, and let the mycelium do the rest.   📦 Ships fresh, fully colonized, and ready for use. 🌱 Store up to 3 months in refr