Give Your Tomato Plants a Second Chance this Summer - by Elena Acoba - AZ Daily Star - July 29, 2012. Nearly 20 fall and winter vegetables can be planted in August, according to "The Tucson Garden Handbook" by Pima County Cooperative Extension master gardeners. "In a perfect world, I would leave tomatoes in the ground until it would freeze," says Mary Sisson Eibs, who's an educator and in charge of the gardening program at The Haven, a substance-abuse treatment center. Read more here