When to plant sweet potato in Kansas
Kansas spans USDA zones 6a–7a, so the right time to plant sweet potato shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 25 in Kansas City to May 19 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 | May 2 – May 16 |
| Overland Park | 6b | April 10 | October 29 | May 1 – May 15 |
| Kansas City | 6b | April 4 | November 2 | April 25 – May 9 |
| Olathe | 6b | April 10 | October 29 | May 1 – May 15 |
| Topeka | 6b | April 16 | October 22 | May 7 – May 21 |
| Lawrence | 6b | April 12 | October 28 | May 3 – May 17 |
| Shawnee | 6b | April 16 | October 22 | May 7 – May 21 |
| Lenexa | 6b | April 10 | October 29 | May 1 – May 15 |
Sweet Potato in Kansas: FAQ
When can I plant sweet potato in Kansas?
Across Kansas, the time to transplant sweet potato spans roughly April 25 in Kansas City to May 19 in Garden City, each following that city's local frost dates.
Does the sweet potato planting date vary across Kansas?
Yes. Kansas publishes 35 cities with their own frost dates, so the right sweet potato 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 sweet potato take to grow in Kansas?
Sweet Potato takes about 90–120 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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