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United States Department of Agriculture

Agricultural Research Service

USDA Plant Hardiness Zone Map

New Plant Hardiness Zone Map Shows Temperature Shifts

USDA's Agricultural Research Service has released a new plant hardiness zone map; the first one in twenty two years.

Audio Podcast: (1 min. 55 sec.)   mp4  |  wmv  |  Transcript

Last Modified: 5/5/2017
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