When to plant rhubarb in Indiana
Indiana spans USDA zones 5b–7a, so the right time to plant rhubarb shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 15 in Evansville to March 21 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 | March 9 – April 6 |
| Fort Wayne | 6a | April 24 | October 21 | March 13 – April 10 |
| Evansville | 7a | March 29 | November 10 | February 15 – March 15 |
| South Bend | 6a | April 23 | October 23 | March 12 – April 9 |
| Fishers | 6a | April 21 | October 21 | March 10 – April 7 |
| Carmel | 6a | April 21 | October 21 | March 10 – April 7 |
| Bloomington | 6b | April 15 | October 26 | March 4 – April 1 |
| Hammond | 6a | April 23 | October 20 | March 12 – April 9 |
Rhubarb in Indiana: FAQ
When can I plant rhubarb in Indiana?
Across Indiana, the time to transplant rhubarb spans roughly February 15 in Evansville to March 21 in Auburn, each following that city's local frost dates.
Does the rhubarb planting date vary across Indiana?
Yes. Indiana publishes 86 cities with their own frost dates, so the right rhubarb planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
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