When to plant edamame in Oregon
Oregon spans USDA zones 6b–9b, so the right time to plant edamame shifts by weeks across the state. The window to sow seed directly outdoors runs from about February 18 in Aloha to June 16 in Redmond — below are local dates for 69 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Portland | 8b | February 25 | December 1 | March 4 – March 25 |
| Eugene | 8b | April 11 | October 23 | April 18 – May 9 |
| Salem | 8b | April 3 | November 1 | April 10 – May 1 |
| Gresham | 9a | March 16 | November 20 | March 23 – April 13 |
| Hillsboro | 8b | April 16 | October 23 | April 23 – May 14 |
| Bend | 6b | June 6 | September 20 | June 13 – July 4 |
| Beaverton | 9a | April 1 | November 6 | April 8 – April 29 |
| Medford | 8b | April 8 | October 29 | April 15 – May 6 |
Edamame in Oregon: FAQ
When can I plant edamame in Oregon?
Across Oregon, the time to direct-sow edamame spans roughly February 18 in Aloha to June 16 in Redmond, each following that city's local frost dates.
Does the edamame planting date vary across Oregon?
Yes. Oregon publishes 69 cities with their own frost dates, so the right edamame 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 edamame take to grow in Oregon?
Edamame takes about 75–95 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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