Frost dates across Indiana
Typical last spring frost, first fall frost, and USDA zone for 11 Indiana cities, from 30-year NOAA climate normals. Every date is a 50 percent odds line, not a promise. Pick a city for the full frost window and what is plantable there now.
Not on the list? Any Indiana ZIP works.
| City | Last spring frost | First fall frost | Season length | Zone |
|---|---|---|---|---|
| Indianapolis | Apr 20 | Oct 21 | about 184 days | 6b |
| Fort Wayne | Apr 24 | Oct 21 | about 180 days | 6a |
| Evansville | Mar 29 | Nov 10 | about 226 days | 7a |
| South Bend | Apr 23 | Oct 23 | about 183 days | 6a |
| Hammond | Apr 23 | Oct 20 | about 180 days | 6a |
| Lafayette | Apr 26 | Oct 18 | about 175 days | 6a |
| Terre Haute | Apr 15 | Oct 19 | about 187 days | 6a |
| Jeffersonville | Mar 31 | Nov 9 | about 223 days | 7a |
| Richmond | Apr 24 | Oct 20 | about 179 days | 6a |
| Bedford | Apr 20 | Oct 20 | about 183 days | 6b |
| Peru | Apr 23 | Oct 21 | about 181 days | 6a |
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