Getting Warm in Here?
Plant zones are changing across the U.S. and the traditional climate zone definitions have changed so quickly over the past few years that according to the National Arbor Day Foundation Hardiness Zone Map, Atlanta, which was in Zone 7 in 1990, is now in Zone 8, along with most of northern Georgia. By the end of the century, the climate will no longer be favorable for the official state tree or flower in 28 states.
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