King Oyster (Pleurotus Eryngii) Grain Spawn
King Oyster (Pleurotus Eryngii) Grain Spawn
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King Oyster
Scientific Name: Pleurotus eryngii
Rapid colonization at 70–78°F in 10–14 days. Optimal fruiting at 60–68°F with 85–92% RH. Thick, meaty stems and rich umami; superb for grilling, roasting, or “scallop” medallions.
About Our Grain Spawn: Built on the same Unicorn 4T-INJ bag platform as our sterilized grain, this spawn is inoculated to order with low-passage, agar-verified culture for clean, vigorous growth. Because it’s freshly inoculated, the bag will arrive partially colonized—or colonization may become visible within a few days, depending on species and shipping conditions. Hydration and gas exchange are tuned for fast, even colonization.
Storage & Handling: Keep in a cool, dark place during and after colonization. Once the bag reaches ~25% colonization, perform a gentle break & shake to redistribute mycelium and speed completion. Avoid opening until fully colonized and ready to expand into your substrate.
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Our Preparation Method
While other methods may work, we prioritize quality and consistency. We utilize a thorough clean, soak, heat, and strain method that fully prepares the grain before sterilization. This additional effort results in a more consistent, high-quality grain that optimizes mycelium colonization and ensures stronger, healthier growth.
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Key Features
- 3 lbs of Sterilized Whole Oats: Prepared to the ideal moisture content and fully sterilized to prevent contamination, ready for immediate use.
- Unicorn 4T-INJ Bags: Includes a 0.2-micron filter patch for controlled airflow and a secure injection port, facilitating easy inoculation with liquid cultures or spore syringes.
- Ideal for Various Mushroom Species: Suitable for cultivating a wide range of gourmet and medicinal mushrooms, including oyster, shiitake, lion’s mane, and more.
- Durable Construction: High-quality, heat-resistant bags designed to withstand the rigors of mushroom-growing environments.