When to plant lettuce in Oregon
Oregon spans USDA zones 6b–9b, so the right time to plant lettuce shifts by weeks across the state. The window to transplant seedlings outdoors runs from about January 21 in Aloha to May 19 in Redmond — below are local dates for 69 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Portland | 8b | February 25 | December 1 | February 4 – February 25 |
| Eugene | 8b | April 11 | October 23 | March 21 – April 11 |
| Salem | 8b | April 3 | November 1 | March 13 – April 3 |
| Gresham | 9a | March 16 | November 20 | February 23 – March 16 |
| Hillsboro | 8b | April 16 | October 23 | March 26 – April 16 |
| Bend | 6b | June 6 | September 20 | May 16 – June 6 |
| Beaverton | 9a | April 1 | November 6 | March 11 – April 1 |
| Medford | 8b | April 8 | October 29 | March 18 – April 8 |
Lettuce in Oregon: FAQ
When can I plant lettuce in Oregon?
Across Oregon, the time to transplant lettuce spans roughly January 21 in Aloha to May 19 in Redmond, each following that city's local frost dates.
Does the lettuce planting date vary across Oregon?
Yes. Oregon publishes 69 cities with their own frost dates, so the right lettuce 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 lettuce take to grow in Oregon?
Lettuce takes about 45–60 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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