Oyster Mushrooms (Pleurotus spp.) are common wood-decomposing mushrooms that can be found throughout the world in many different climates. It is a choice edible mushroom hunted by many-a mycophagist and grown commercially worldwide. This Kit is a colony of Oyster Mushroom mycelium growing on sterilized alder sawdust. The sawdust serves as food for the mycelium and will provide the necessary nutrients to produce Oyster Mushrooms, much like it would grow on a log in the forest. Grow mushrooms from this kit for 3 months indoors before transplanting it outside to your garden. Oyster mushrooms can be easily grown outdoors on spent coffee grounds, hardwood logs, paper waste, straw and other organic materials.