When to plant rhubarb in Kansas
Kansas spans USDA zones 6a–7a, so the right time to plant rhubarb shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 21 in Kansas City to March 17 in Garden City — below are local dates for 35 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Wichita | 7a | April 11 | October 29 | February 28 – March 28 |
| Overland Park | 6b | April 10 | October 29 | February 27 – March 27 |
| Kansas City | 6b | April 4 | November 2 | February 21 – March 21 |
| Olathe | 6b | April 10 | October 29 | February 27 – March 27 |
| Topeka | 6b | April 16 | October 22 | March 5 – April 2 |
| Lawrence | 6b | April 12 | October 28 | March 1 – March 29 |
| Shawnee | 6b | April 16 | October 22 | March 5 – April 2 |
| Lenexa | 6b | April 10 | October 29 | February 27 – March 27 |
Rhubarb in Kansas: FAQ
When can I plant rhubarb in Kansas?
Across Kansas, the time to transplant rhubarb spans roughly February 21 in Kansas City to March 17 in Garden City, each following that city's local frost dates.
Does the rhubarb planting date vary across Kansas?
Yes. Kansas publishes 35 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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