When to plant yardlong bean in Missouri
Missouri spans USDA zones 5b–7b, so the right time to plant yardlong bean shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 9 in Sikeston to May 5 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 | April 18 – April 25 |
| St. Louis | 7a | April 1 | November 4 | April 15 – April 22 |
| Springfield | 7a | April 4 | October 27 | April 18 – April 25 |
| Columbia | 6b | April 5 | October 31 | April 19 – April 26 |
| Independence | 6b | April 10 | October 27 | April 24 – May 1 |
| Lee's Summit | 6b | April 7 | October 29 | April 21 – April 28 |
| O'Fallon | 6b | April 10 | October 26 | April 24 – May 1 |
| St. Charles | 6b | April 8 | October 29 | April 22 – April 29 |
Yardlong Bean in Missouri: FAQ
When can I plant yardlong bean in Missouri?
Across Missouri, the time to transplant yardlong bean spans roughly April 9 in Sikeston to May 5 in Kirksville, each following that city's local frost dates.
Does the yardlong bean planting date vary across Missouri?
Yes. Missouri publishes 87 cities with their own frost dates, so the right yardlong bean 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 yardlong bean take to grow in Missouri?
Yardlong Bean takes about 70–90 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.