Support WBURTucson Food Bank Helps The Needy Grow Their Own FoodPlay03:57Download AudioPam FesslerJuly 27, 2013 ShareEfren Martinez (right), 22, and his friend Marcos Perez try to get neighborhood kids interested in gardening at Las Milpitas de Cottonwood farm, which is run by the local food bank in Tucson, Ariz. (NPR)