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You are here: Home → Media → Hardiness Zones → Zone Changes
  • arborday.org
    hardiness zones

    • Hardiness Zones
    • See Changes From 1990
      to 2006
    • See an Animation Illustrating Changes
    • Find Your Hardiness Zone
    • Alaska and Hawaii
    • Download High Resolution Maps
    • Press Release

Zone Changes

This animation illustrates the general warming that has occurred from 1990 to 2006. Click the play button to see how the hardiness zones have changed.

Note: To view the interactive change map, you need:
  1. Flash Player 6 or higher.
  2. JavaScript enabled.

If you have both of these, the map is not working properly. Please contact the webmaster.

Details

Play will change the map from the 1990 USDA hardiness zones to the 2006 Arborday.org hardiness zones.

Reset will change the map to show the 1990 USDA hardiness zones.

Differences shows colors that represent how much each zone has changed since 1990. For example, the pink areas of the map have warmed up enough to change one hardiness zone (e.g. the top half of Nebraska has increased by one zone).

Back to the main Hardiness Zones page.

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