Grain Spawn - Blue Oyster (1kg) - Plastic Bag

Product may not ship for up to 4 weeks. Mushrooms do not fruit from grain spawn. Grain spawn needs to be added to a bulk substrate to fruit. Species Profile Blue Oyster (Pleurotus ostreatus spp.) is a fast-growing mushroom with deep blue pins that fade to a pale smoky gray as the mushrooms mature. This cultivar grows well on a variety of substrates making it perfect for beginner and experienced growers alike. Blue Oysters are a reliable producer that can yield good first and second flushes. Although they will grow at room temperature, they do perform best at cooler temperatures (10C to 18C).