When to plant radish in Indiana
Indiana spans USDA zones 5b–7a, so the right time to plant radish shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 1 in Evansville to April 4 in Auburn — below are local dates for 86 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Indianapolis | 6b | April 20 | October 21 | March 23 – May 4 |
| Fort Wayne | 6a | April 24 | October 21 | March 27 – May 8 |
| Evansville | 7a | March 29 | November 10 | March 1 – April 12 |
| South Bend | 6a | April 23 | October 23 | March 26 – May 7 |
| Fishers | 6a | April 21 | October 21 | March 24 – May 5 |
| Carmel | 6a | April 21 | October 21 | March 24 – May 5 |
| Bloomington | 6b | April 15 | October 26 | March 18 – April 29 |
| Hammond | 6a | April 23 | October 20 | March 26 – May 7 |
Radish in Indiana: FAQ
When can I plant radish in Indiana?
Across Indiana, the time to direct-sow radish spans roughly March 1 in Evansville to April 4 in Auburn, each following that city's local frost dates.
Does the radish planting date vary across Indiana?
Yes. Indiana publishes 86 cities with their own frost dates, so the right radish 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 radish take to grow in Indiana?
Radish takes about 22–30 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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