King Oyster Mushroom Grain Spawn (1 pound) advanced We suggest adult supervision and

We suggest adult supervision and assistance for children under the age of 10

These eye-catching mushrooms are not just beautiful – they're also fast-growing and delicious

We inject straight through the plastic and cover the hole with heavy duty scotch tape

Available in both liquid culture and grain spawn formats

This gourmet mushroom is highly sought after for its sweet

King Oyster Mushroom Grain Spawn (1 pound) advanced We suggest adult supervision andExperience our premium King Oyster grain spawn, featuring thick stemmed genetics cultured on organic rye berries. Perfect for commercial production. Key Features: Thick, meaty stems Strong colonization rates 30 day room temperature viability 6 month refrigerated shelf life Professional grade genetics Quality assurance guarantee Cultivation Requirements: Supplemented hardwood blocks Temperature: 60 70F High humidity (85 95%) Excellent air exchange