South Carolina frost dates: J
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Jackson | Mar 23 | Nov 9 | 231 d | 8b |
| Jacksonboro | Mar 1 | Dec 6 | 280 d | 9a |
| Jamestown | Mar 22 | Nov 13 | 236 d | 8b |
| Jefferson | Mar 27 | Nov 8 | 226 d | 8a |
| Jenkinsville | Mar 22 | Nov 11 | 234 d | 8a |
| Joanna | Mar 29 | Nov 4 | 220 d | 8a |
| Johns Island | Mar 7 | Nov 27 | 265 d | 9a |
| Johnsonville | Mar 23 | Nov 15 | 237 d | 8b |
| Johnston | Mar 26 | Nov 8 | 227 d | 8a |
| Jonesville | Apr 8 | Nov 1 | 207 d | 8a |