Home / Planting dates / Kale / Columbia and Snake River valleys, Oregon
Kale planting and harvest datesKale Planting Dates in Columbia and Snake River valleys, Oregon
Usual kale planting periods in Columbia and Snake River valleys, 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 | May | source | 2026-11-11 |
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Planting | Planting window in May |
What these dates mean in Columbia and Snake River valleys, Oregon
Planting usually runs about 31 days, from May 1 to May 31.
That start date is about 30 days earlier than the middle of the 8 places in this data set that report kale planting dates (May 31).
Frost-date caveat: these are published ranges for Columbia and Snake River valleys, 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
Kale dates in other places
- Arkansas
- Central Florida
- Central Illinois
- Central Missouri
- Central North Carolina
- Eastern North Carolina
- Maricopa County, Arizona
- Minnesota
- New Hampshire
- North Florida
- North Missouri
- Northern Illinois
- Oregon Coast
- South Florida
- South Missouri
- Southern Illinois
- Utah
- Western North Carolina
- Western Oregon
- Western valleys (Portland, Roseburg, Medford), Oregon
Other crops in Columbia and Snake River valleys, Oregon
- Beets
- Broccoli
- Brussels sprouts
- Cabbage
- Cantaloupes
- Carrots
- Cauliflower
- Chard
- Chinese cabbage
- Eggplant
- Endive
- Kohlrabi
- Leeks
- Lettuce
- Lima beans
- Okra
- Onion sets
- Parsnips
- Peas
- Peppers
- Pickling cucumbers
- Potatoes
- Pumpkins
- Radishes
- Rhubarb
- Rutabagas
- Slicing cucumbers
- Snap beans
- Summer squash
- Sweet corn
- Sweet potatoes
- Tomatoes
- Turnips
- Watermelon
- Winter squash
Last reviewed: November 2026. Source: OSU Extension may garden calendar.