When to plant mustard greens in Kansas
Kansas spans USDA zones 6a–7a, so the right time to plant mustard greens shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 7 in Kansas City to March 31 in Garden City — below are local dates for 35 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Wichita | 7a | April 11 | October 29 | March 14 – April 25 |
| Overland Park | 6b | April 10 | October 29 | March 13 – April 24 |
| Kansas City | 6b | April 4 | November 2 | March 7 – April 18 |
| Olathe | 6b | April 10 | October 29 | March 13 – April 24 |
| Topeka | 6b | April 16 | October 22 | March 19 – April 30 |
| Lawrence | 6b | April 12 | October 28 | March 15 – April 26 |
| Shawnee | 6b | April 16 | October 22 | March 19 – April 30 |
| Lenexa | 6b | April 10 | October 29 | March 13 – April 24 |
Mustard Greens in Kansas: FAQ
When can I plant mustard greens in Kansas?
Across Kansas, the time to direct-sow mustard greens spans roughly March 7 in Kansas City to March 31 in Garden City, each following that city's local frost dates.
Does the mustard greens planting date vary across Kansas?
Yes. Kansas publishes 35 cities with their own frost dates, so the right mustard greens 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 mustard greens take to grow in Kansas?
Mustard Greens takes about 30–45 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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