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USDA Plant Hardiness Zone Map

USDA Plant Hardiness Zone Map

Cottage Farms uses this map to determine the Hardiness Zone you are located in. This information helps Cottage Farms determine when to ship your plants to guarantee the best chances for your plant to grow well. You may also use this map to help you determine the best plants to place in your garden.

If you would like to see our Hardiness Zone Shipping Map, click here


Enter your zip code below and we'll tell you when
we begin shipping spring plants to your zone.


Ship to zone and date look-up
Zipcode: 
Look up


 
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  
-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;   Victorville, 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