When to plant coriander (seed) in Indiana
Indiana spans USDA zones 5b–7a, so the right time to plant coriander (seed) shifts by weeks across the state. The window to sow seed directly 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 | Direct sow |
|---|---|---|---|---|
| Indianapolis | 6b | April 20 | October 21 | April 6 – May 4 |
| Fort Wayne | 6a | April 24 | October 21 | April 10 – May 8 |
| Evansville | 7a | March 29 | November 10 | March 15 – April 12 |
| South Bend | 6a | April 23 | October 23 | April 9 – May 7 |
| Fishers | 6a | April 21 | October 21 | April 7 – May 5 |
| Carmel | 6a | April 21 | October 21 | April 7 – May 5 |
| Bloomington | 6b | April 15 | October 26 | April 1 – April 29 |
| Hammond | 6a | April 23 | October 20 | April 9 – May 7 |
Coriander (Seed) in Indiana: FAQ
When can I plant coriander (seed) in Indiana?
Across Indiana, the time to direct-sow coriander (seed) spans roughly March 15 in Evansville to April 18 in Auburn, each following that city's local frost dates.
Does the coriander (seed) planting date vary across Indiana?
Yes. Indiana publishes 86 cities with their own frost dates, so the right coriander (seed) 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 coriander (seed) take to grow in Indiana?
Coriander (Seed) takes about 90–110 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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