Arkansas frost dates: N
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Nashville | Mar 26 | Nov 9 | 228 d | 8a |
| Natural Dam | Apr 9 | Oct 28 | 202 d | 7b |
| New Blaine | Mar 28 | Nov 5 | 222 d | 8a |
| New Edinburg | Mar 20 | Nov 11 | 236 d | 8a |
| Newark | Mar 30 | Nov 5 | 220 d | 8a |
| Newhope | Apr 5 | Nov 1 | 210 d | 8a |
| Newport | Mar 18 | Nov 11 | 238 d | 8a |
| Norfork | Apr 14 | Oct 28 | 197 d | 7a |
| Norman | Apr 8 | Oct 26 | 201 d | 8a |
| Norphlet | Mar 18 | Nov 7 | 234 d | 8b |
| North Little Rock | Mar 16 | Nov 16 | 245 d | 8a |