Home / Planting dates / Potatoes / Western valleys (Portland, Roseburg, Medford), Oregon
Potatoes planting and harvest datesPotatoes Planting Dates in Western valleys (Portland, Roseburg, Medford), Oregon
Usual potatoes 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 | 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 Western valleys (Portland, Roseburg, Medford), Oregon
Planting usually runs about 31 days, from May 1 to May 31.
That start date is about 15 days later than the middle of the 4 places in this data set that report potatoes planting dates (Apr 16).
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.
Potatoes dates in other places
- Cedar City, Utah
- Central and higher-elevation Eastern Oregon
- Columbia and Snake River valleys, Oregon
- Heber, Utah
- Logan (USU), Utah
- Maricopa County, Arizona
- Minnesota
- Moab, Utah
- Ogden, Utah
- Oregon Coast
- Provo (BYU), Utah
- Richfield, Utah
- Salt Lake City (International Airport station), Utah
- St George, Utah
- Vernal, Utah
Other crops in Western valleys (Portland, Roseburg, Medford), Oregon
- Broccoli
- Brussels sprouts
- Cabbage
- Cantaloupes
- Carrots
- Cauliflower
- Chard
- Chives
- Eggplant
- Endive
- Kale
- Leeks
- Lettuce
- Lima beans
- Onions
- Parsnips
- Peas
- Peppers
- Pickling cucumbers
- Pumpkins
- Radishes
- Rhubarb
- Rutabagas
- Slicing cucumbers
- Snap beans
- Spinach
- Summer squash
- Tomatoes
- Turnips
- Watermelon
- Winter squash
Last reviewed: November 2026. Source: OSU Extension may garden calendar.