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USDA Alaska Plant Hardiness Zone Map

[Back to the Zone Map Page] [Back to Victory Seeds™ Main Page]

Check the color of the section in your area of the map with the color key below. Zones 1 through 7b represented here.

USDA Hardiness Zones and Average Annual Minimum
Temperature Range

USDA Zone Temperature Range Example Cities

         1 Below -50 F (-45.6C) Fairbanks, Alaska
Resolute, Northwest Territories (Canada)

        2a -50 to -45 F (-42.8 to -45.5 C) Prudhoe Bay, Alaska
Flin Flon, Manitoba (Canada)

        2b -45 to -40 F (-40.0 to -42.7 C) Unalakleet, Alaska
Pinecreek, Minnesota

        3a -40 to -35 F (-37.3 to -39.9 C) International Falls, Minnesota
St. Michael, Alaska

        3b -35 to -30 F (-34.5 to -37.2 C) Tomahawk, Wisconsin
Sidney, Montana

        4a -30 to -25 F (-31.7 to -34.4 C) Minneapolis/St. Paul, Minnesota
Lewistown, Montana

        4b -25 to -20 F (-28.9 to -31.6 C) Northwood, Iowa
Nebraska

        5a -20 to -15 F (-26.2 to -28.8 C) Des Moines, Iowa
Illinois

        5b -15 to -10 F (-23.4 to -26.1 C) Columbia, Missouri
Mansfield, Pennsylvania

        6a -10 to -5 F (-20.6 to -23.3 C) St. Louis, Missouri
Lebanon, Pennsylvania

        6b -5 to 0 F (-17.8 to -20.5 C) McMinnville, Tennessee
Branson, Missouri

        7a 0 to 5 F (-15.0 to -17.7 C) Oklahoma City, Oklahoma
South Boston, Virginia

        7b 5 to 10 F (-12.3 to -14.9 C) Little Rock, Arkansas
Griffin, Georgia

Listed by zone: Names of representative plants listed under the coldest zones in which they normally succeed.
Listed alphabetically: Cold hardiness ratings (zones) for selected woody plants.

Data based on USDA Miscellaneous Publication No. 1475. Issued January 1990, U.S. National Arboretum, Agricultural Research Service, U.S. Department of Agriculture, Washington, DC 20002.

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Updated on May 07, 2010