North Dakota frost dates: V
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Valley City | May 13 | Sep 26 | 136 d | 4a |
| Velva | May 22 | Sep 22 | 123 d | 4a |
| Verona | May 10 | Sep 28 | 141 d | 4a |
| Voltaire | May 22 | Sep 22 | 123 d | 4a |
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Valley City | May 13 | Sep 26 | 136 d | 4a |
| Velva | May 22 | Sep 22 | 123 d | 4a |
| Verona | May 10 | Sep 28 | 141 d | 4a |
| Voltaire | May 22 | Sep 22 | 123 d | 4a |