Alabama frost dates: J
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Jachin | Mar 20 | Nov 9 | 234 d | 8b |
| Jack | Mar 17 | Nov 16 | 244 d | 8b |
| Jackson | Mar 18 | Nov 12 | 239 d | 8b |
| Jacksons Gap | Mar 26 | Nov 8 | 227 d | 8a |
| Jacksonville | Apr 6 | Oct 31 | 208 d | 8a |
| Jasper | Mar 30 | Nov 4 | 219 d | 8a |
| Jefferson | Mar 16 | Nov 14 | 243 d | 8b |
| Jemison | Mar 21 | Nov 11 | 235 d | 8b |
| Jones | Mar 8 | Nov 18 | 255 d | 8b |
| Joppa | Mar 19 | Nov 18 | 244 d | 8a |