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one seed at a time."



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USDA Plant Hardiness Zone Map
North-Midwest US:  Iowa, Minnesota, Montana, Nebraska, North Dakota, South Dakota, Wisconsin, Wyoming

[Back to the Zone Map Page] [Back to Main Page]


Check the color of the section in your area on the map with the color key below. Zones 2b through 6a represented here.

  north-midwest area


USDA Hardiness Zones and Average Annual Minimum
Temperature Range


 USDA Zone Temperature Range            Example Cities
        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

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 January 01, 2017