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USDA Plant Hardiness Zone Map
South-Midwest US: Arkansas, Colorado, Illinois, Kansas, Louisiana, Mississippi, Missouri, New Mexico, Texas

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

Check the color of the section in your area of the map with the color key below. Zones 4b through 9b represented here.

  south-midwest area

USDA Hardiness Zones and Average Annual Minimum
Temperature Range

 USDA Zone Temperature Range Example Cities

-25 to -20 F  (-28.9 to -31.6 C)

Northwood, Iowa

-20 to -15 F  (-26.2 to -28.8 C)

Des Moines, Iowa

-15 to -10 F  (-23.4 to -26.1 C)

Columbia, Missouri
Mansfield, Pennsylvania

-10 to -5 F  (-20.6 to -23.3 C)

St. Louis, Missouri
Lebanon, Pennsylvania

-5 to 0 F  (-17.8 to -20.5 C)

McMinnville, Tennessee
Branson, Missouri

0 to 5 F  (-15.0 to -17.7 C)

Oklahoma City, Oklahoma
South Boston, Virginia

5 to 10 F  (-12.3 to -14.9 C)

Little Rock, Arkansas
Griffin, Georgia

10 to 15 F  (-9.5 to -12.2 C)

Tifton, Georgia
Dallas, Texas

15 to 20 F  (-6.7 to -9.4 C)

Austin, Texas
Gainesville, Florida

20 to 25 F  (-3.9 to -6.6 C)

Houston, Texas
St. Augustine, Florida

25 to 30 F  (-1.2 to -3.8 C)

Brownsville, Texas 
Fort Pierce, Florida

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 February 18, 2018