What Is Sterilized Grain Spawn?
Sterilized grain spawn refers to a container filled with grain that has been colonized by living mycelium. These grains—typically wheat, rye, millet, or milo—are ideal for mushroom growth because their starchy interiors offer rich nutrition. We don’t use common edible grains like rice or corn, but rather agricultural-grade seeds perfect for cultivating healthy mycelium.
Usually, grain spawn appears white. However, depending on the grain type and mushroom species, the color may shift to pink, tan, or gray. Factors such as colonization levels and species variation naturally influence its appearance.
When Do You Use Grain Spawn?
You use grain spawn as a critical step in growing mushrooms. It acts as a live culture that inoculates bulk substrates, kickstarting the colonization process. You simply mix it with your preferred substrate to begin cultivation.
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G1 (1st Generation) grain spawn works great for inoculating more grain spawn (G2 or 2nd Generation).
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G2 (2nd Generation) grain spawn should only be used with sawdust or other final fruiting substrates.
When used correctly, grain spawn typically colonizes a new substrate within 7 to 14 days, allowing for faster harvests.
How Long Does Grain Spawn Last?
To get the best results, use your grain spawn as soon as possible. However, if you’re not ready to inoculate immediately, store it in a refrigerator to keep the mycelium healthy and viable.
What’s Inside Our Grain Spawn?
At Fungi Farm, we create a custom grain blend optimized for fast and aggressive mycelium growth. We use locally sourced organic wheat seeds, enhanced with a 10% sawdust-based supplement tailored to different mushroom species. This proprietary formula ensures consistent performance across various strains.
Why Choose Grain Spawn from Fungi Farm?
You deserve reliability and high performance in your mushroom cultivation. That’s why professional growers and hobbyists alike trust our products. We produce every batch in our own facility, maintaining strict quality control from start to finish.
Here’s what sets us apart:
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✅ Premium Quality & Lab-Tested – Ensures fast colonization without contamination.
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✅ Locally Sourced Ingredients – Organic and environmentally responsible.
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✅ Insulated Shipping – Keeps your grain spawn fresh and viable upon delivery.
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✅ Customer Satisfaction Guaranteed – Trusted by commercial and home growers alike.
Start Growing with Confidence
Order your sterilized grain spawn today and experience the Fungi Farm difference. Whether you’re growing gourmet or medicinal mushrooms, our spawn gives you a reliable head start toward a successful harvest.
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