When to plant spinach in Missouri
Missouri spans USDA zones 5b–7b, so the right time to plant spinach shifts by weeks across the state. The window to sow seed directly outdoors runs from about February 12 in Sikeston to March 10 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 | February 21 – March 21 |
| St. Louis | 7a | April 1 | November 4 | February 18 – March 18 |
| Springfield | 7a | April 4 | October 27 | February 21 – March 21 |
| Columbia | 6b | April 5 | October 31 | February 22 – March 22 |
| Independence | 6b | April 10 | October 27 | February 27 – March 27 |
| Lee's Summit | 6b | April 7 | October 29 | February 24 – March 24 |
| O'Fallon | 6b | April 10 | October 26 | February 27 – March 27 |
| St. Charles | 6b | April 8 | October 29 | February 25 – March 25 |
Spinach in Missouri: FAQ
When can I plant spinach in Missouri?
Across Missouri, the time to direct-sow spinach spans roughly February 12 in Sikeston to March 10 in Kirksville, each following that city's local frost dates.
Does the spinach planting date vary across Missouri?
Yes. Missouri publishes 87 cities with their own frost dates, so the right spinach 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 spinach take to grow in Missouri?
Spinach 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.
Never miss a window in your area
An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.