Ohio frost dates: Z
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Zaleski | Apr 27 | Oct 14 | 170 d | 6b |
| Zanesfield | Apr 26 | Oct 20 | 177 d | 6a |
| Zanesville | Apr 26 | Oct 19 | 176 d | 6b |
| Zoar | Apr 30 | Oct 15 | 168 d | 6b |
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Zaleski | Apr 27 | Oct 14 | 170 d | 6b |
| Zanesfield | Apr 26 | Oct 20 | 177 d | 6a |
| Zanesville | Apr 26 | Oct 19 | 176 d | 6b |
| Zoar | Apr 30 | Oct 15 | 168 d | 6b |