New Mexico frost dates: O
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Ocate | May 26 | Sep 26 | 123 d | 6a |
| Ohkay Owingeh | May 10 | Oct 4 | 147 d | 7a |
| Ojo Caliente | May 15 | Oct 7 | 145 d | 7a |
| Ojo Feliz | May 26 | Sep 26 | 123 d | 6a |
| Organ | Mar 12 | Nov 13 | 246 d | 8b |
| Orogrande | Mar 24 | Nov 7 | 228 d | 8a |