Your Zone | Average Annual Minimum Temperature (degrees in F) |
---|---|
1 | Below – 50 |
2a | – 45 to – 50 |
2b | – 40 to – 45 |
3a | – 35 to – 40 |
3b | – 30 to – 35 |
4a | – 25 to – 30 |
4b | – 20 to – 25 |
5a | – 15 to – 20 |
5b | – 10 to – 15 |
6a | -5 to – 10 |
6b | 0 to – 5 |
7a | 5 to – 0 |
7b | 10 to 5 |
8a | 15 to 10 |
8b | 20 to 15 |
9a | 25 to 20 |
9b | 30 to 25 |
10a | 30 to 30 |
10b | 40 to 35 |
11 | 40 and above |