2006 arborday.org Hardiness Zone Map

The Arbor Day Foundation has recently completed an extensive updating of U.S. Hardiness Zones based upon data from 5,000 National Climatic Data Center cooperative stations across the continental United States.

• Download a high resolution TIF of this map.
• See a map highlighting changes between 1990 and 2006.
• See an animation that shows changes between 1990 and 2006.
• Find your hardiness zone.
• See a map of Alaska and Hawaii.
• View press release.
• See suggested trees for your region.

This work is licensed under a Creative Commons Attribution-No Derivative Works 2.5 License.