Organic Italian Oyster Mushroom Grain Spawn from Northspore.com is the perfect choice for the home cultivator looking to produce delicious and healthy mushrooms. This easy to use product contains premium, organic mycelium that will quickly colonize and produce amazing yields of delicious oyster mushrooms. Each pack contains enough spawn to inoculate up to 5 lbs of grain, and the simple instructions make setup a breeze. Enjoy the taste of fresh, organic Italian Oyster Mushrooms with Northspore