Gardening in the American Southwest (SW) is an extreme sport. Not only are gardeners challenged by geographic extremes from tropical deserts to subalpine locales, they must also deal with a wide range of climates. Winter in the mountains and higher regions means heavy snows, frozen soils, and temperatures that can dip below zero. In contrast,…

To the individual, garden areas link to the natural world, offering solace, refuge, inspiration, and purpose. To a low-income neighborhood, where often the only greenery sprouts from between cracks in concrete, their impact can be monumental, signaling sustainability, beautifying, attesting to value and worth--even prompting civic change. A 2000…