"Every gardener is familiar with the multicolor U.S. map of climate zones on the back of seed packets. It's the Department of Agriculture's indicator of whether a flower, bush or tree will survive the winters in a given region."

http://www.usatoday.com/weather/climate/2008-04-23-gardening-map_N.htm?csp=34

Climate change is affecting the map used to predict plant survival in the US.


If you don't care for reality, just wait a while; another will be along shortly. --A Rose