Maryland frost dates: T
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Takoma Park | Mar 29 | Nov 8 | 224 d | 7b |
| Tall Timbers | Mar 30 | Nov 14 | 229 d | 8a |
| Taneytown | Apr 22 | Oct 20 | 181 d | 7a |
| Taylors Island | Mar 29 | Nov 15 | 231 d | 8a |
| Temple Hills | Apr 3 | Nov 8 | 219 d | 7b |
| Templeville | Apr 4 | Nov 4 | 214 d | 7b |
| Thurmont | Apr 14 | Oct 30 | 199 d | 7a |
| Tilghman | Apr 1 | Nov 7 | 220 d | 8a |
| Toddville | Mar 29 | Nov 15 | 231 d | 8a |
| Towson | Apr 2 | Nov 7 | 219 d | 7b |
| Tracys Landing | Apr 9 | Oct 29 | 203 d | 8a |
| Trappe | Apr 1 | Nov 7 | 220 d | 8a |
| Tuscarora | Apr 2 | Nov 6 | 218 d | 7a |
| Tyaskin | Apr 8 | Nov 4 | 210 d | 7b |
| Tylerton | Mar 30 | Nov 14 | 229 d | 8a |