Indiana planting zones & frost dates
The 8 Indiana cities on this site fall in zones 6a, 6b, 7a. Last spring frost dates range from Apr 2 in Evansville to May 7 in South Bend.
| City | Zone | Last frost | First frost | Population |
|---|---|---|---|---|
| Indianapolis | 6b | Apr 26 | Oct 16 | 891,484 |
| Fort Wayne | 6a | May 1 | Oct 16 | 273,203 |
| Evansville | 7a | Apr 2 | Nov 4 | 115,395 |
| Fishers | 6a | Apr 28 | Oct 15 | 103,986 |
| South Bend | 6a | May 7 | Oct 14 | 103,713 |
| Carmel | 6a | Apr 28 | Oct 15 | 103,606 |
| Bloomington | 6b | Apr 22 | Oct 21 | 79,986 |
| Hammond | 6a | Apr 30 | Oct 15 | 76,030 |
Frost dates are 30%-risk dates from the nearest suitable NOAA station. Population: Census Vintage 2024 estimates.