When to plant watermelon in Kansas
Kansas spans USDA zones 6a–7a, so the right time to plant watermelon shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 11 in Kansas City to May 5 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 | April 18 – April 25 |
| Overland Park | 6b | April 10 | October 29 | April 17 – April 24 |
| Kansas City | 6b | April 4 | November 2 | April 11 – April 18 |
| Olathe | 6b | April 10 | October 29 | April 17 – April 24 |
| Topeka | 6b | April 16 | October 22 | April 23 – April 30 |
| Lawrence | 6b | April 12 | October 28 | April 19 – April 26 |
| Shawnee | 6b | April 16 | October 22 | April 23 – April 30 |
| Lenexa | 6b | April 10 | October 29 | April 17 – April 24 |
Watermelon in Kansas: FAQ
When can I plant watermelon in Kansas?
Across Kansas, the time to transplant watermelon spans roughly April 11 in Kansas City to May 5 in Garden City, each following that city's local frost dates.
Does the watermelon planting date vary across Kansas?
Yes. Kansas publishes 35 cities with their own frost dates, so the right watermelon 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 watermelon take to grow in Kansas?
Watermelon takes about 75–95 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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