Buy White Oyster Mushroom Growing Kit What are White Oyster Mushrooms? White oyster mushroom is an easily cultivated mushroom appropriate for beginners, because of its vigorous mycelium growth. The mushroom can efficiently compete with other fungi while growing on a substrate and is thus resistant to molds. Caps of the white oyster mushroom are milky white with a silky surface and can grow up to a couple of 10 cm in diameter. For the cultivation of white oyster mushroom, wood can be inoculated either with grain spawn. The mushroom is considered as rapidly growing and extremely aggressive fungus. If inoculation is carried out early in the spring and wood is left in a warm and shaded place, mushrooms are expected to grow late in the autumn. Usually, mushrooms start growing when the environment temperature drops, and precipitations are more frequent (most often during the fall). Cultivation on wood is most successful when carried out outdoors, where the spawn has enough