Alabama frost dates: U
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Union Grove | Mar 19 | Nov 18 | 244 d | 8a |
| Union Springs | Mar 25 | Nov 6 | 226 d | 8b |
| Uniontown | Mar 21 | Nov 5 | 229 d | 8b |
| Uriah | Feb 28 | Nov 27 | 272 d | 8b |
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Union Grove | Mar 19 | Nov 18 | 244 d | 8a |
| Union Springs | Mar 25 | Nov 6 | 226 d | 8b |
| Uniontown | Mar 21 | Nov 5 | 229 d | 8b |
| Uriah | Feb 28 | Nov 27 | 272 d | 8b |