When to plant broccoli in Washington
Washington spans USDA zones 6b–9a, so the right time to plant broccoli shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 8 in Port Townsend to May 9 in Cheney — below are local dates for 132 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Seattle | 9a | March 8 | November 23 | February 15 – March 1 |
| Spokane | 7a | April 26 | October 15 | April 5 – April 19 |
| Tacoma | 8b | March 8 | November 14 | February 15 – March 1 |
| Vancouver | 8b | March 29 | November 9 | March 8 – March 22 |
| Bellevue | 9a | March 8 | November 23 | February 15 – March 1 |
| Kent | 8b | March 20 | November 10 | February 27 – March 13 |
| Everett | 8b | March 24 | November 2 | March 3 – March 17 |
| Spokane Valley | 7a | April 26 | October 15 | April 5 – April 19 |
Broccoli in Washington: FAQ
When can I plant broccoli in Washington?
Across Washington, the time to transplant broccoli spans roughly February 8 in Port Townsend to May 9 in Cheney, each following that city's local frost dates.
Does the broccoli planting date vary across Washington?
Yes. Washington publishes 132 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 Washington?
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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