Tennessee frost dates: N
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Nashville | Apr 1 | Oct 31 | 213 d | 7b |
| New Johnsonville | Apr 3 | Nov 1 | 212 d | 7b |
| New Market | Apr 24 | Oct 17 | 176 d | 7b |
| New Tazewell | Apr 23 | Oct 19 | 179 d | 7a |
| Newbern | Mar 28 | Nov 2 | 219 d | 7b |
| Newcomb | Apr 18 | Oct 24 | 189 d | 7a |
| Newport | Apr 7 | Oct 29 | 205 d | 7b |
| Niota | Apr 10 | Oct 27 | 200 d | 7b |
| Nolensville | Apr 15 | Oct 26 | 194 d | 7b |
| Norene | Apr 6 | Oct 28 | 205 d | 7b |
| Normandy | Apr 6 | Oct 30 | 207 d | 7b |
| Norris | Apr 22 | Oct 25 | 186 d | 7b |
| Nunnelly | Apr 11 | Oct 27 | 199 d | 7b |