Where to Buy

SymbiOP is garden shop and landscape design store front based in Portland, Oregon. As their mission states, “Symbiosis is not just a product that we produce. It is a value that we believe in. We value it so much that we put it in our bylaws. This means we are bound by laws to consider our social and ecological impacts as much if not more than our financial gains”. SymbiOP carries a wide selection of ITW strains as well as grains and substrates.

Address: 3430 SE Powell Blvd, Portland, OR 97206

HerbStomp is a wholesome seller of ethnobotanicals, seeds, and now spores based in the heart of bustling Sandy Boulevard in Portland Oregon. HerbStomp carries ITW spores, groumet liquid culture, and grains and substrates. This is a great all-in-one stop for everything you need to cultivate delcious gourmet mushrooms in Portland Oregon.

Address: 5700 NE Sandy Blvd, Portland, OR 97213

The Grow Show is a locally owned and operated horticultural supply shop in Ann Arbor, Michigan. They specialize in the equipment and information you need in order to become a successful organic gardener and horticulturist. Go check out The Grow Show for all of your grow accessory needs, including a large selection of ITW products.

Address: 573 State Cir. Ann Arbor, MI 48108