|
USDA Plant Hardiness Zone Map
Southwest US: Arizona, California, Nevada, Utah
[Back to the Zone Map Page] [Back
to Main Page]
Check the color of the section in your area of the map with the color
key below. Zones
5b through 10b represented here
USDA Hardiness Zones and Average Annual Minimum
Temperature Range
|
USDA
Zone
|
Temperature
Range |
Example Cities |
|
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 |
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. |