The AZMGA is now offering grain spawn and grow bags to its members. We're selling them at especially low prices, so if you've been thinking about getting started with your cultivation operation hopefully this incentive will give you the push that you've needed. Head over to the Spawn and Grow Bags page. You'll find there all of the info that you'll need to purchase your growing materials.
Arizona Mushrooms Growers Association
Encouraging the spread of mycelium in Arizona.