When to plant claytonia (miner's lettuce) in Missouri
Missouri spans USDA zones 5b–7b, so the right time to plant claytonia (miner's lettuce) shifts by weeks across the state. The window to sow seed directly outdoors runs from about February 26 in Sikeston to March 24 in Kirksville — below are local dates for 87 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Kansas City | 6b | April 4 | November 2 | March 7 – April 18 |
| St. Louis | 7a | April 1 | November 4 | March 4 – April 15 |
| Springfield | 7a | April 4 | October 27 | March 7 – April 18 |
| Columbia | 6b | April 5 | October 31 | March 8 – April 19 |
| Independence | 6b | April 10 | October 27 | March 13 – April 24 |
| Lee's Summit | 6b | April 7 | October 29 | March 10 – April 21 |
| O'Fallon | 6b | April 10 | October 26 | March 13 – April 24 |
| St. Charles | 6b | April 8 | October 29 | March 11 – April 22 |
Claytonia (Miner's Lettuce) in Missouri: FAQ
When can I plant claytonia (miner's lettuce) in Missouri?
Across Missouri, the time to direct-sow claytonia (miner's lettuce) spans roughly February 26 in Sikeston to March 24 in Kirksville, each following that city's local frost dates.
Does the claytonia (miner's lettuce) planting date vary across Missouri?
Yes. Missouri publishes 87 cities with their own frost dates, so the right claytonia (miner's lettuce) 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 claytonia (miner's lettuce) take to grow in Missouri?
Claytonia (Miner's Lettuce) takes about 40–50 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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