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USDA Plant Hardiness Zone Map
Northeast US: 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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Check
the color of the section in your area on the map with the color key below. Zones 2a through 7b
represented here
USDA Hardiness Zones and Average Annual Minimum Temperature Range
| USDA
Zone |
Temperature
Range |
Example
Cities |
|
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 |
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. |