Hoovers (www.hooversfarm.com) is a great farm stand. Not sure about the heirlooms... Reiffs is close to Hoovers and worth a stop if you're already in the area. Maybe stop on your way to/from Central Market?
Thanks. We went yesterday to Meadowview Farms and bought two containers of tomatoes...very delicous and will go back. We stopped at the Bowers Hotel for lunch... terrible, slow service, food was average.