Mississippi frost dates: N
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Natchez | Mar 16 | Nov 9 | 238 d | 8b |
| Neely | Mar 18 | Nov 12 | 239 d | 8b |
| Nesbit | Mar 28 | Nov 5 | 222 d | 8a |
| Nettleton | Mar 21 | Nov 9 | 233 d | 8a |
| New Albany | Apr 8 | Oct 28 | 203 d | 8a |
| New Augusta | Mar 18 | Nov 12 | 239 d | 8b |
| New Site | Apr 1 | Nov 3 | 216 d | 8a |
| Newhebron | Mar 12 | Nov 10 | 243 d | 8b |
| Newton | Mar 25 | Nov 2 | 222 d | 8b |
| Nicholson | Mar 9 | Nov 18 | 254 d | 9a |
| North Carrollton | Mar 17 | Nov 5 | 233 d | 8a |
| Noxapater | Mar 21 | Nov 13 | 237 d | 8b |