Grain Spawn Grain Spawn Clear Filters Categories All Fresh Mushrooms Grow Kits Grain Spawn Substrate Filter Clear Filter Quick View Organic Milo Grain Pressure Sterilized - 3 lbs $13.99 Quick View Lion's Mane Grain Spawn - 3 lbs $19.99 Quick View Shiitake Grain Spawn - 3 lbs $19.99 Quick View Blue Oyster Grain Spawn - 3 lbs $19.99 Quick View Organic Rye Berries Pressure Sterilized - 3 lbs $12.99 No results found No results match your search. Try removing a few filters.
