North Carolina frost dates: J
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Jackson | Apr 5 | Nov 1 | 210 d | 8a |
| Jackson Springs | Mar 25 | Nov 14 | 234 d | 8a |
| Jacksonville | Mar 23 | Nov 16 | 238 d | 8a |
| Jamestown | Mar 30 | Nov 5 | 220 d | 8a |
| Jamesville | Mar 20 | Nov 12 | 237 d | 8a |
| Jarvisburg | Mar 28 | Nov 12 | 229 d | 9a |
| Jefferson | May 7 | Oct 8 | 154 d | 7a |
| Jonas Ridge | Apr 26 | Oct 20 | 177 d | 6b |
| Jonesville | Apr 15 | Oct 26 | 194 d | 7b |
| Julian | Apr 1 | Nov 2 | 215 d | 8a |