Home / Planting dates / Cauliflower / Western valleys (Portland, Roseburg, Medford), Oregon
Cauliflower planting and harvest datesCauliflower Planting Dates in Western valleys (Portland, Roseburg, Medford), Oregon
Usual cauliflower planting periods in Western valleys (Portland, Roseburg, Medford), Oregon, shown as ranges with their source. Use them to frame a plan, then adjust for your own frost dates and soil temperature.
| Activity | Window | Source | Last verified |
|---|---|---|---|
| Planting | April; August | source | 2026-11-11 |
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Planting | Timing in table above | |||||||||||
What these dates mean in Western valleys (Portland, Roseburg, Medford), Oregon
Frost-date caveat: these are published ranges for Western valleys (Portland, Roseburg, Medford), Oregon. A northern or high-elevation site will run later than a southern or low one, and a cold wet spring can push planting past the window. Monthly advice is not applicable to all areas of Oregon; frost dates and local conditions vary. Check your last spring frost and soil temperature, and confirm with your county extension office.
Related guides
Cauliflower dates in other places
- Arkansas
- Central Florida
- Central Illinois
- Central North Carolina
- Central Oregon
- Central and higher-elevation Eastern Oregon
- Columbia and Snake River valleys, Oregon
- Eastern North Carolina
- Maricopa County, Arizona
- Minnesota
- New Hampshire
- Northern Illinois
- Oregon Coast
- South Florida
- Southern Illinois
- Western North Carolina
- Western Oregon
Other crops in Western valleys (Portland, Roseburg, Medford), Oregon
- Broccoli
- Brussels sprouts
- Cabbage
- Cantaloupes
- Carrots
- Chard
- Chives
- Eggplant
- Endive
- Kale
- Leeks
- Lettuce
- Lima beans
- Onions
- Parsnips
- Peas
- Peppers
- Pickling cucumbers
- Potatoes
- Pumpkins
- Radishes
- Rhubarb
- Rutabagas
- Slicing cucumbers
- Snap beans
- Spinach
- Summer squash
- Tomatoes
- Turnips
- Watermelon
- Winter squash
Last reviewed: November 2026. Source: OSU Extension april garden calendar.