New U.S. planting map for gardeners revised to reflect global warming

January 25, 2012 at 9:22 am in Grand Forks Herald

It’s the first time since 1990 that the U.S. Department of Agriculture has revised the official guide for the nation’s 80 million gardeners, and much has changed. Nearly entire states, such as Ohio, Nebraska and Texas, are in warmer zones. Continue Reading