Blue Oyster Liquid Culture Syringe (10cc) G1 Genetics | Fast Colonizer | Paper & Wood Recycling Strain Blue Oyster mushrooms (Pleurotus ostreatus) are prized for their lightning-fast colonization and ability to thrive on a variety of unconventional substrates—including newspaper and cardboard. This vigorous strain produces large, meaty fruit bodies with a signature blue-gray hue, making it a top choice for both culinary use and waste-reducing grow projects. Our G1 genetics ensure clean, aggressive mycelial growth that's beginner-friendly and well-suited for spawn bags, straw logs, wood chips, or even household waste materials like corrugated boxes. Their adaptability, ease of cultivation, and rich umami flavor have made Blue Oysters one of the most popular gourmet mushroom strains worldwide. Features: * 10cc Liquid Culture Syringe * Alcohol Prep Pad * 16G 1.5" Luer Lock Needle Growth Information: * Substrates: Straw, Sawdust, Wood Chips, Cardboard, Newspaper * Incubation Temp: 70–75°F * Incubation Humidity: 80–85% * Incubation Time: 10–14 Days * Fruiting Temp: 60–70°F * Fruiting Humidity: 90–93% * Fruiting Time: 12–16 Days All orders consisting only of liquid culture syringes receive a free upgrade to FedEx 2-Day or USPS Priority Mail.