Perennial Vegetable Gardening DVD, 2012 143 minutes, Eric Tonsmeier. Make any garden a perpetual, low-maintenance source of food. A culmination of workshops recorded in Mexico, Florida, and Massachusetts, this matches his best-selling Perennial Vegetables book. Eric visits gardens with a range of climates: his own garden in Massachusetts, the Mexican cloud forest, and ECHO in subtropical Florida. He introduces 100 species of little-known, underappreciated plants, as well as practical techniques and gardening ideas.