When to plant swiss chard in Oregon
Oregon spans USDA zones 6b–9b, so the right time to plant swiss chard shifts by weeks across the state. The window to sow seed directly outdoors runs from about January 28 in Aloha to May 26 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 | February 11 – March 25 |
| Eugene | 8b | April 11 | October 23 | March 28 – May 9 |
| Salem | 8b | April 3 | November 1 | March 20 – May 1 |
| Gresham | 9a | March 16 | November 20 | March 2 – April 13 |
| Hillsboro | 8b | April 16 | October 23 | April 2 – May 14 |
| Bend | 6b | June 6 | September 20 | May 23 – July 4 |
| Beaverton | 9a | April 1 | November 6 | March 18 – April 29 |
| Medford | 8b | April 8 | October 29 | March 25 – May 6 |
Swiss Chard in Oregon: FAQ
When can I plant swiss chard in Oregon?
Across Oregon, the time to direct-sow swiss chard spans roughly January 28 in Aloha to May 26 in Redmond, each following that city's local frost dates.
Does the swiss chard planting date vary across Oregon?
Yes. Oregon publishes 69 cities with their own frost dates, so the right swiss chard 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 swiss chard take to grow in Oregon?
Swiss Chard takes about 50–60 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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