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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 Victory Seeds™ 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
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
8a	10 to 15 F (-9.5 to -12.2 C)	Tifton, Georgia Dallas, Texas
8b	15 to 20 F (-6.7 to -9.4 C)	Austin, Texas Gainesville, Florida
9a	20 to 25 F (-3.9 to -6.6 C)	Houston, Texas St. Augustine, Florida
9b	25 to 30 F (-1.2 to -3.8 C)	Brownsville, Texas Fort Pierce, Florida

USDA Hardiness Zones and Average Annual Minimum
Temperature Range

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