Plant Hardiness Zone Map - Northeast US Plant Hardiness Zone Map - Northeast US

States in this Zone Map:

Connecticut, Delaware, District of Columbia, Illinois, Indiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia.

Check the color of the section in your area on the map with the color key below.


Zones 2a through 7b represented here




Hardiness Zones and Average Annual Minimum Temperature Range

Zone Temperature Range Example Cities
1 Below -50 F (below -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
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
10a 30 to 35 F (1.6 to -1.1 C) Naples, Florida
Barstow, California
10b 35 to 40 F (4.4 to 1.7 C) Miami, Florida
Coral Gables, Florida
11 above 40 F (above 4.5 C) Honolulu, Hawaii
Mazatlan, Mexico
Courtesy of the US Dept. of Agriculture.

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