When to plant radicchio in Indiana
Indiana spans USDA zones 5b–7a, so the right time to plant radicchio shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 15 in Evansville to April 18 in Auburn — below are local dates for 86 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Indianapolis | 6b | April 20 | October 21 | April 6 – April 20 |
| Fort Wayne | 6a | April 24 | October 21 | April 10 – April 24 |
| Evansville | 7a | March 29 | November 10 | March 15 – March 29 |
| South Bend | 6a | April 23 | October 23 | April 9 – April 23 |
| Fishers | 6a | April 21 | October 21 | April 7 – April 21 |
| Carmel | 6a | April 21 | October 21 | April 7 – April 21 |
| Bloomington | 6b | April 15 | October 26 | April 1 – April 15 |
| Hammond | 6a | April 23 | October 20 | April 9 – April 23 |
Radicchio in Indiana: FAQ
When can I plant radicchio in Indiana?
Across Indiana, the time to transplant radicchio spans roughly March 15 in Evansville to April 18 in Auburn, each following that city's local frost dates.
Does the radicchio planting date vary across Indiana?
Yes. Indiana publishes 86 cities with their own frost dates, so the right radicchio planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does radicchio take to grow in Indiana?
Radicchio takes about 60–90 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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