When to plant runner bean in Washington
Washington spans USDA zones 6b–9a, so the right time to plant runner bean shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 8 in Port Townsend to June 6 in Cheney — below are local dates for 132 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Seattle | 9a | March 8 | November 23 | March 15 – March 29 |
| Spokane | 7a | April 26 | October 15 | May 3 – May 17 |
| Tacoma | 8b | March 8 | November 14 | March 15 – March 29 |
| Vancouver | 8b | March 29 | November 9 | April 5 – April 19 |
| Bellevue | 9a | March 8 | November 23 | March 15 – March 29 |
| Kent | 8b | March 20 | November 10 | March 27 – April 10 |
| Everett | 8b | March 24 | November 2 | March 31 – April 14 |
| Spokane Valley | 7a | April 26 | October 15 | May 3 – May 17 |
Runner Bean in Washington: FAQ
When can I plant runner bean in Washington?
Across Washington, the time to direct-sow runner bean spans roughly March 8 in Port Townsend to June 6 in Cheney, each following that city's local frost dates.
Does the runner bean planting date vary across Washington?
Yes. Washington publishes 132 cities with their own frost dates, so the right runner 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 runner bean take to grow in Washington?
Runner Bean takes about 65–90 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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