Indiana frost dates: T
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Talbot | Apr 25 | Oct 13 | 171 d | 6a |
| Taswell | Apr 17 | Oct 19 | 185 d | 6b |
| Taylorsville | Apr 11 | Oct 25 | 197 d | 6b |
| Tefft | Apr 25 | Oct 17 | 175 d | 5b |
| Tell City | Apr 5 | Nov 1 | 210 d | 7a |
| Templeton | Apr 26 | Oct 12 | 169 d | 6a |
| Tennyson | Apr 12 | Oct 25 | 196 d | 7a |
| Terre Haute | Apr 15 | Oct 19 | 187 d | 6a |
| Thayer | Apr 29 | Oct 16 | 170 d | 5b |
| Thorntown | Apr 23 | Oct 19 | 179 d | 6a |
| Tippecanoe | Apr 23 | Oct 21 | 181 d | 6a |
| Tipton | Apr 23 | Oct 17 | 177 d | 6a |
| Topeka | Apr 26 | Oct 21 | 178 d | 6a |
| Trafalgar | Apr 20 | Oct 19 | 182 d | 6a |
| Troy | Apr 5 | Nov 1 | 210 d | 7a |
| Tunnelton | Apr 20 | Oct 20 | 183 d | 6b |
| Twelve Mile | Apr 20 | Oct 23 | 186 d | 6a |
| Tyner | Apr 25 | Oct 21 | 179 d | 6a |