North-East 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 of the map with the color key
below.
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Zones 2a through 7b represented
here |
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USDA
Hardiness Zones and Average Annual Minimum Temperature
Range |
| Zone
|
Fahrenheit
|
Celsius
|
Example Cities
|
|
1 |
Below -50 F
|
Below -45.6 C
|
Fairbanks, Alaska; Resolute, Northwest
Territories (Canada) |
|
2a
|
-50 to -45 F
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-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
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-37.3 to -39.9 C
|
International Falls, Minnesota; St.
Michael, Alaska |
|
3b
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-35 to -30 F
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-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
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-28.9 to -31.6 C
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Northwood, Iowa;
Nebraska |
|
5a |
-20 to -15 F
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-26.2 to -28.8 C
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Des Moines, Iowa; Illinois |
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5b |
-15 to -10 F
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-23.4 to -26.1 C
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Columbia, Missouri; Mansfield,
Pennsylvania |
|
6a |
-10 to -5 F
|
-20.6 to -23.3 C
|
St. Louis, Missouri; Lebanon,
Pennsylvania |
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6b |
-5 to 0 F
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-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
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-9.5 to -12.2 C
|
Tifton, Georgia; Dallas,
Texas |
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8b |
15 to 20 F
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-6.7 to -9.4 C
|
Austin, Texas; Gainesville,
Florida |
|
9a |
20 to 25 F
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-3.9 to -6.6 C
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Houston, Texas; St. Augustine,
Florida |
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9b |
25 to 30 F
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-1.2 to -3.8 C
|
Brownsville, Texas; Fort Pierce,
Florida |
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10a |
30 to 35 F
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1.6 to -1.1 C
|
Naples, Florida; Victorville,
California |
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10b |
35 to 40 F
|
4.4 to 1.7 C
|
Miami, Florida; Coral Gables,
Florida |
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11 |
above 40 F
|
above 4.5 C
|
Honolulu, Hawaii; Mazatlan,
Mexico |
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