Hardiness


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.

 


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