Our unique mass sterilization process ensures the quality of our 5lb bags each and every time. As long-time mushroom growers, we understand the struggle of making your own grain spawn and ensuring it is sterile. Struggle no more and let us do it for you!

-SHIPPING IS FREE

-Domestic grain used.

-Sealed in front of a lab-grade laminar HEPA-filtered flow hood

Each bag contains 5 pounds of hydrated millet.

These bags are made in Gresham, Oregon.

We recommend that the bags be inoculated within 1 month of receiving the grain bag. however, our bags have worked perfectly even after 6 months of sterilization!!!

Feel free to reach out with any questions or concerns at: info@iriefarmoregon.com.