Save 20% with the 6-pack!

Give your mycelium the best possible start with our premium sterile grain spawn blend. Crafted from a carefully selected multi-grain blend offers a diverse nutritional profile that promotes fast, even colonization across a wide range of gourmet and medicinal species.
Every bag is prepared using strict aseptic technique in our lab and quality-tested before it ships — so you can focus on growing, not troubleshooting.

Why growers choose our grain spawn:
Multi-grain blend (oats, popcorn, millet, rye) for superior colonization
Prepared with professional aseptic technique
Quality-tested for contamination before every order ships
Ideal for Oyster, Lion’s Mane, Reishi, Cubensis and more!

Whether you’re inoculating your first bag or running a full-scale grow operation, our sterile grain spawn gives you a clean, reliable foundation to work from.

Bulk quantities available, email to inquire about pricing!