Blue Oyster Mushroom Grow KitBlue Oyster Mushroom Grow Kit (Pleurotus ostreatus) Blue Oyster Mushroom Grow Kits are a simple, reliable way to grow mushrooms at home. These produce dense clusters of blue gray caps that mature into a soft slate color, giving them a more muted, earthy look compared to their pink counterparts. They grow quickly and consistently, making them a good choice for beginners or anyone who wants a low effort grow with solid results. Works well on a kitchen