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nafex - Re: [NAFEX] New USDA hardiness Zone map

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  • From: "Doreen Howard" <gardendiva@charter.net>
  • To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] New USDA hardiness Zone map
  • Date: Mon, 5 Feb 2007 13:08:44 -0600

I know a little about the new USDA hardiness map, as I recently interviewed the government people responsible for the development and release of the new one. According to Kim Kaplan, spokesperson for the Agricultural Research Service, an arm of the USDA, the new hardiness map will be available later this year. She hedged, as to time of release, but from what she didn't say, I figure mid-summer.

The current map was released in 1990 and is based on weather data from 1977 to 1989. The new map, based on expanded climate data from 1977 through 2000, will only be available on the Internet, however, and cover just the United States. Canada is NOT included. The country is broken down into 15 plant hardiness zones to reflect the growth of warmer regions where sub-tropical and tropical plants now succeed. There are no immediate plans to print it, as the map is digitally interactive, allowing you to zero in on your county or even your town for exact low temperature information.
Doreen Howard
Zone 4b, where it's currently -4F, but the sun is shining!






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