New Federal Planting Map Reflects Warming

The U.S. Department of Agriculture updated their colorful Plant Hardiness Zone Map, a useful tool for gardeners and researchers, which shows a warmer 21st century. Using better weather data and more interactive technology, the online map has 26 zones that are searchable by zip code. Entire states, including Ohio, Nebraska and Texas, are now in warmer zones.,8599,2105366,00.html