Pearl oyster mushrooms are a coveted wild edible mushroom having a similar appearance and taste to sea creatures known as oysters. They have adapted to a wide range of habitat stretching from Canada to the tropics of South Florida.
Pearl oyster mushrooms (Pleurotus ostreatus) have a growing range that encompasses forested environments from cool mountains to very warm tropical regions.
Deciduous hardwood tree logs can host pearl oyster mushrooms and willow trees are a favorite substrate in which the pearl oyster mushroom grows. In tropical regions, they are found growing on palm tree logs.
Mycelium that penetrates dead logs grows from spores of the oyster mushroom and requires moist environments. They favor areas of high humidity such as banks by a stream or the rainy seasons of the tropics. A 10-degree drop in temperature for a 12-hour duration can force the mushrooms into producing a fruiting body ripe for picking.
Oyster mushrooms are more abundant during cool weather of the spring and fall.