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Hardiness Zones

More About Hardiness Zones

Hardiness Zone Map

2015 Arborday.org Hardiness Zones
The Arbor Day Foundation developed this U.S. Hardiness Zone Map based upon data from 5,000 National Climatic Data Center cooperative stations across the continental United States.
This work is licensed under a Creative Commons Attribution-No Derivative Works 2.5 License.
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