When to plant yardlong bean in District of Columbia
District of Columbia spans USDA zone 8a, so the right time to plant yardlong bean shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 12 in Washington to April 12 in Washington — below are local dates for 1 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Washington | 8a | March 29 | November 8 | April 12 – April 19 |
Yardlong Bean in District of Columbia: FAQ
When can I plant yardlong bean in District of Columbia?
Across District of Columbia, the time to transplant yardlong bean spans roughly April 12 in Washington to April 12 in Washington, each following that city's local frost dates.
Does the yardlong bean planting date vary across District of Columbia?
Yes. District of Columbia publishes 1 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 District of Columbia?
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.
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