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
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.
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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 |
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Plants Listed by Zone - Names of representative plants listed under the coldest zones in which they normally succeed.
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Plants Listed Alphabetically - Cold hardiness ratings (zones) for selected woody plants.