Hosted by Baker Creek Seed Company, in Santa Rosa, CA, this is the largest gathering of pure food growers in the world. It will be at the The Sonoma County Fairgrounds September 11-13, 2012. Last years expo drew over 10,000 people! Mac will be speaking again this year, and is promising an even larger Main Display.
Tickets are on sale now, you can get them at the website and if you would like more information; http://www.theheirloomexpo.com/