Blue Oyster Mushroom Grain Spawn (1 pound)

Premium grain spawn cultured on 100% organic rye berries, featuring our professional-grade Blue Oyster strain. Each pound comes fully colonized and ready for bulk substrate expansion. Key Features: Fast-colonizing strain 30-day shelf life at room temperature 6-month refrigerated shelf life 100% contamination-free guarantee Certified organic rye berry base Professional-grade genetics Cultivation Requirements: Expands well on straw or hardwood Temperature: 55-75°F Humidity: 85-95% during fruiting Excellent air exchange needed 2-3 week colonization period Market Appeal: Commercial cultivation favorite High yields Excellent shelf life Strong market demand Restaurant industry standard