When to plant Rhubarb in Oregon
In spring, from Mar 1 – Apr 1 in Central Point to May 15 – June 1 in Redmond.
In fall, from Sept 15 – Oct 15 in Baker City to Nov 1 – Dec 1 in The Dalles.
Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Albany | Mar 10 – Apr 10 | Nov 1 – Dec 1Soon |
| Ashland | Apr 1 – May 1 | Oct 15 – Nov 15Now |
| Baker City | Apr 15 – May 10 | Sept 15 – Oct 15 |
| Beaverton | Not listed | Not listed |
| Bend | May 15 – June 1 | Sept 15 – Nov 1Now |
| Canby | Not listed | Not listed |
| Central Point | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Coos Bay | Not listed | Not listed |
| Cornelius | Mar 10 – Apr 10 | Nov 1 – Dec 1Soon |
| Corvallis | Mar 10 – Apr 10 | Nov 1 – Dec 1Soon |
| Cottage Grove | Mar 10 – Apr 10 | Oct 15 – Dec 1Now |
| Dallas | Mar 10 – Apr 10 | Nov 1 – Dec 1Soon |
| Eugene | Mar 1 – Apr 1 | Oct 15 – Dec 1Now |
| Fairview | Not listed | Not listed |
| Forest Grove | Mar 10 – Apr 10 | Nov 1 – Dec 1Soon |
| Gladstone | Not listed | Not listed |
| Grants Pass | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Gresham | Not listed | Not listed |
| Happy Valley | Not listed | Not listed |
| Hermiston | Mar 20 – Apr 15 | Oct 15 – Nov 15Now |
| Hillsboro | Mar 10 – Apr 10 | Oct 15 – Dec 1Now |
| Independence | Mar 10 – Apr 10 | Nov 1 – Dec 1Soon |
| Keizer | Not listed | Nov 1 – Dec 1Soon |
| Klamath Falls | May 15 – June 1 | Sept 15 – Nov 1Now |
| La Grande | Apr 1 – May 1 | Oct 1 – Nov 1Now |
| Lake Oswego | Not listed | Not listed |
| Lebanon | Not listed | Not listed |
| Lincoln City | Not listed | Not listed |
| McMinnville | Mar 1 – Apr 1 | Not listed |
| Medford | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Milwaukie | Not listed | Not listed |
| Molalla | Not listed | Not listed |
| Monmouth | Mar 10 – Apr 10 | Nov 1 – Dec 1Soon |
| Newberg | Not listed | Not listed |
| Newport | Not listed | Not listed |
| North Bend | Not listed | Not listed |
| Ontario | Mar 10 – Apr 10 | Oct 15 – Nov 15Now |
| Oregon City | Not listed | Not listed |
| Pendleton | Mar 10 – Apr 10 | Oct 15 – Nov 15Now |
| Portland | Not listed | Not listed |
| Prineville | May 1 – 20 | Sept 15 – Nov 1Now |
| Redmond | May 15 – June 1 | Sept 15 – Oct 15 |
| Roseburg | Not listed | Not listed |
| Salem | Not listed | Nov 1 – Dec 1Soon |
| Sandy | Not listed | Not listed |
| Sherwood | Not listed | Not listed |
| Silverton | Not listed | Not listed |
| Springfield | Mar 1 – Apr 1 | Oct 15 – Dec 1Now |
| St. Helens | Mar 10 – Apr 10 | Not listed |
| Sweet Home | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| The Dalles | Mar 1 – Apr 1 | Nov 1 – Dec 1Soon |
| Tigard | Not listed | Not listed |
| Troutdale | Not listed | Not listed |
| Tualatin | Not listed | Not listed |
| West Linn | Not listed | Not listed |
| Wilsonville | Not listed | Not listed |
| Woodburn | Not listed | Not listed |
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 rhubarb.