Pennsylvania frost dates: Q
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Quakake | Apr 30 | Oct 22 | 175 d | 6b |
| Quakertown | Apr 26 | Oct 17 | 174 d | 7a |
| Quarryville | Apr 26 | Oct 22 | 179 d | 7a |
| Quecreek | May 6 | Oct 12 | 159 d | 6a |
| Queen | Apr 23 | Oct 21 | 181 d | 6b |
| Quentin | Apr 20 | Oct 25 | 188 d | 7a |
| Quincy | Apr 27 | Oct 20 | 176 d | 7a |