Tennessee frost dates: J
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Jacks Creek | Apr 10 | Oct 25 | 198 d | 7b |
| Jacksboro | Apr 22 | Oct 25 | 186 d | 7b |
| Jackson | Apr 2 | Oct 29 | 210 d | 7b |
| Jamestown | Apr 20 | Oct 22 | 185 d | 7a |
| Jasper | Apr 7 | Oct 31 | 207 d | 8a |
| Jefferson City | Apr 24 | Oct 17 | 176 d | 7b |
| Jellico | Apr 18 | Oct 24 | 189 d | 7a |
| Joelton | Apr 7 | Oct 28 | 204 d | 7a |
| Johnson City | Apr 21 | Oct 23 | 185 d | 7b |
| Jonesborough | Apr 21 | Oct 23 | 185 d | 7a |