About Us
What we provide
At Granite Valley Mushroom Company, we are committed to providing you with the highest quality products. Whether you need anything from spawn, liquid and tissue cultures, to ready to grow kits and lab supplies, we've got you covered.
Buy with Confidence
We strive to provide the cleanest, most vigorously growing cultures available. Granite Valley Mushroom Company guarantees that our cultures will be clean and viable upon arrival at your location.
