When to plant broccoli in Missouri
Missouri spans USDA zones 5b–7b, so the right time to plant broccoli shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 5 in Sikeston to March 31 in Kirksville — below are local dates for 87 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Kansas City | 6b | April 4 | November 2 | March 14 – March 28 |
| St. Louis | 7a | April 1 | November 4 | March 11 – March 25 |
| Springfield | 7a | April 4 | October 27 | March 14 – March 28 |
| Columbia | 6b | April 5 | October 31 | March 15 – March 29 |
| Independence | 6b | April 10 | October 27 | March 20 – April 3 |
| Lee's Summit | 6b | April 7 | October 29 | March 17 – March 31 |
| O'Fallon | 6b | April 10 | October 26 | March 20 – April 3 |
| St. Charles | 6b | April 8 | October 29 | March 18 – April 1 |
Broccoli in Missouri: FAQ
When can I plant broccoli in Missouri?
Across Missouri, the time to transplant broccoli spans roughly March 5 in Sikeston to March 31 in Kirksville, each following that city's local frost dates.
Does the broccoli planting date vary across Missouri?
Yes. Missouri publishes 87 cities with their own frost dates, so the right broccoli 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 broccoli take to grow in Missouri?
Broccoli takes about 55–80 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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