When to plant Swiss chard in Oregon
In spring, from Jan 20 – Apr 15 in Coos Bay to June 1 – 15 in Redmond.
In fall, from May 15 – July 1 in Baker City to June 1 – Sept 15 in Woodburn.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Albany | Apr 1 – June 15 | June 1 – Sept 10 |
| Ashland | Apr 20 – June 15 | June 1 – July 20 |
| Baker City | May 10 – June 15 | May 15 – July 1 |
| Beaverton | Mar 1 – May 25 | June 1 – Sept 15 |
| Bend | June 1 – 15 | June 1 – July 1 |
| Canby | Feb 20 – May 15 | June 1 – Sept 15 |
| Central Point | Mar 15 – June 15 | June 1 – Sept 10 |
| Coos Bay | Jan 20 – Apr 15 | June 1 – Dec 1Now |
| Cornelius | Apr 1 – June 15 | June 1 – Sept 10 |
| Corvallis | Apr 1 – June 15 | June 1 – Sept 10 |
| Cottage Grove | Apr 1 – June 15 | June 1 – Aug 1 |
| Dallas | Apr 1 – June 15 | June 1 – Sept 10 |
| Eugene | Mar 15 – June 15 | June 1 – Aug 1 |
| Fairview | Feb 20 – May 15 | June 1 – Oct 1 |
| Forest Grove | Apr 1 – June 15 | June 1 – Sept 10 |
| Gladstone | Feb 20 – May 15 | June 1 – Oct 1 |
| Grants Pass | Mar 15 – June 15 | June 1 – Sept 10 |
| Gresham | Feb 20 – May 15 | June 1 – Oct 1 |
| Happy Valley | Feb 20 – May 15 | June 1 – Oct 1 |
| Hermiston | Apr 15 – June 15 | June 1 – July 20 |
| Hillsboro | Apr 1 – June 15 | June 1 – Aug 1 |
| Independence | Apr 1 – June 15 | June 1 – Sept 10 |
| Keizer | Mar 1 – May 25 | June 1 – Sept 10 |
| Klamath Falls | June 1 – 15 | June 1 – July 1 |
| La Grande | Apr 20 – June 15 | June 1 – July 5 |
| Lake Oswego | Feb 20 – May 15 | June 1 – Oct 1 |
| Lebanon | Feb 15 – May 15 | June 1 – Oct 1 |
| Lincoln City | Mar 1 – May 25 | June 1 – Oct 1 |
| McMinnville | Mar 15 – June 15 | June 1 – Sept 15 |
| Medford | Mar 15 – June 15 | June 1 – Sept 10 |
| Milwaukie | Feb 1 – May 1 | June 1 – Nov 1Now |
| Molalla | Feb 20 – May 15 | June 1 – Oct 1 |
| Monmouth | Apr 1 – June 15 | June 1 – Sept 10 |
| Newberg | Feb 20 – May 15 | June 1 – Oct 1 |
| Newport | Jan 20 – Apr 15 | June 1 – Dec 31Now |
| North Bend | Jan 20 – Apr 15 | June 1 – Dec 1Now |
| Ontario | Apr 1 – June 15 | June 1 – July 20 |
| Oregon City | Feb 20 – May 15 | June 1 – Oct 1 |
| Pendleton | Apr 1 – June 15 | June 1 – July 20 |
| Portland | Feb 1 – May 1 | June 1 – Nov 1Now |
| Prineville | May 20 – June 1 | June 1 – July 1 |
| Redmond | June 1 – 15 | May 15 – July 1 |
| Roseburg | Feb 20 – May 15 | June 1 – Oct 1 |
| Salem | Mar 1 – May 25 | June 1 – Sept 10 |
| Sandy | Mar 1 – May 25 | June 1 – Oct 1 |
| Sherwood | Feb 20 – May 15 | June 1 – Oct 1 |
| Silverton | Mar 1 – May 25 | June 1 – Sept 15 |
| Springfield | Mar 15 – June 15 | June 1 – Aug 1 |
| St. Helens | Apr 1 – June 15 | June 1 – Sept 15 |
| Sweet Home | Mar 15 – June 15 | June 1 – Sept 10 |
| The Dalles | Mar 15 – June 15 | June 1 – Sept 10 |
| Tigard | Mar 1 – May 25 | June 1 – Sept 15 |
| Troutdale | Mar 1 – May 25 | June 1 – Oct 1 |
| Tualatin | Mar 1 – May 25 | June 1 – Sept 15 |
| West Linn | Feb 20 – May 15 | June 1 – Oct 1 |
| Wilsonville | Feb 20 – May 15 | June 1 – Sept 15 |
| Woodburn | Feb 20 – May 15 | June 1 – Sept 15 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for swiss chard.