When to plant Cauliflower in Oregon
In spring, from Jan 10 – Feb 10 in Coos Bay to June 1 – 15 in Redmond.
For a fall crop, from May 1 – July 1 in Baker City to Sept 15 – Nov 1 in Newport.
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 15 – Apr 20 | July 15 – Aug 15 |
| Ashland | Apr 15 – May 15 | June 1 – July 25 |
| Baker City | May 10 – June 15 | May 1 – July 1 |
| Beaverton | Feb 20 – Mar 20 | Aug 1 – Sept 1 |
| Bend | June 1 – 15 | May 1 – July 1 |
| Canby | Feb 10 – Mar 10 | Aug 1 – Sept 1 |
| Central Point | Mar 1 – 20 | July 15 – Aug 15 |
| Coos Bay | Jan 10 – Feb 10 | Sept 1 – Oct 20 |
| Cornelius | Mar 15 – Apr 20 | July 15 – Aug 15 |
| Corvallis | Mar 15 – Apr 20 | July 15 – Aug 15 |
| Cottage Grove | Mar 15 – Apr 20 | July 1 – Aug 5 |
| Dallas | Mar 15 – Apr 20 | July 15 – Aug 15 |
| Eugene | Mar 1 – 20 | July 1 – Aug 5 |
| Fairview | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Forest Grove | Mar 15 – Apr 20 | July 15 – Aug 15 |
| Gladstone | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Grants Pass | Mar 1 – 20 | July 15 – Aug 15 |
| Gresham | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Happy Valley | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Hermiston | Apr 10 – May 10 | June 1 – July 25 |
| Hillsboro | Mar 15 – Apr 20 | July 1 – Aug 5 |
| Independence | Mar 15 – Apr 20 | July 15 – Aug 15 |
| Keizer | Feb 20 – Mar 20 | July 15 – Aug 15 |
| Klamath Falls | June 1 – 15 | May 1 – July 1 |
| La Grande | Apr 15 – May 15 | May 10 – July 15 |
| Lake Oswego | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Lebanon | Feb 1 – Mar 1 | Aug 1 – Sept 15 |
| Lincoln City | Feb 20 – Mar 20 | Aug 1 – Sept 15 |
| McMinnville | Mar 1 – 20 | Aug 1 – Sept 1 |
| Medford | Mar 1 – 20 | July 15 – Aug 15 |
| Milwaukie | Jan 20 – Feb 20 | Aug 15 – Oct 10 |
| Molalla | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Monmouth | Mar 15 – Apr 20 | July 15 – Aug 15 |
| Newberg | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Newport | Jan 10 – Feb 10 | Sept 15 – Nov 1Now |
| North Bend | Jan 10 – Feb 10 | Sept 1 – Oct 20 |
| Ontario | Mar 15 – Apr 20 | June 1 – July 25 |
| Oregon City | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Pendleton | Mar 15 – Apr 20 | June 1 – July 25 |
| Portland | Jan 20 – Feb 20 | Aug 15 – Oct 10 |
| Prineville | May 20 – June 1 | May 1 – July 1 |
| Redmond | June 1 – 15 | May 1 – July 1 |
| Roseburg | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Salem | Feb 20 – Mar 20 | July 15 – Aug 15 |
| Sandy | Feb 20 – Mar 20 | Aug 1 – Sept 15 |
| Sherwood | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Silverton | Feb 20 – Mar 20 | Aug 1 – Sept 1 |
| Springfield | Mar 1 – 20 | July 1 – Aug 5 |
| St. Helens | Mar 15 – Apr 20 | Aug 1 – Sept 1 |
| Sweet Home | Mar 1 – 20 | July 15 – Aug 15 |
| The Dalles | Mar 1 – 20 | July 15 – Aug 15 |
| Tigard | Feb 20 – Mar 20 | Aug 1 – Sept 1 |
| Troutdale | Feb 20 – Mar 20 | Aug 1 – Sept 15 |
| Tualatin | Feb 20 – Mar 20 | Aug 1 – Sept 1 |
| West Linn | Feb 10 – Mar 10 | Aug 1 – Sept 15 |
| Wilsonville | Feb 10 – Mar 10 | Aug 1 – Sept 1 |
| Woodburn | Feb 10 – Mar 10 | Aug 1 – Sept 1 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. The full USDA table for cauliflower.