Maine frost dates: Y
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Yarmouth | Apr 28 | Oct 19 | 174 d | 6a |
| York | May 1 | Oct 14 | 166 d | 6a |
| York Beach | May 1 | Oct 14 | 166 d | 6a |
| York Harbor | May 1 | Oct 14 | 166 d | 6a |
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Yarmouth | Apr 28 | Oct 19 | 174 d | 6a |
| York | May 1 | Oct 14 | 166 d | 6a |
| York Beach | May 1 | Oct 14 | 166 d | 6a |
| York Harbor | May 1 | Oct 14 | 166 d | 6a |