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Potatoes planting and harvest dates

Potatoes Planting Dates in Columbia and Snake River valleys, Oregon

Usual potatoes 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.

Potatoes dates in Columbia and Snake River valleys, Oregon
ActivityWindowSourceLast verified
PlantingAprilsource2026-11-11
Potatoes calendar for Columbia and Snake River valleys, Oregon
ItemJanFebMarAprMayJunJulAugSepOctNovDec
PlantingPlanting window in April

What these dates mean in Columbia and Snake River valleys, Oregon

Planting usually runs about 30 days, from Apr 1 to Apr 30.

That start date is about 15 days earlier 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 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.

Potatoes dates in other places

Other crops in Columbia and Snake River valleys, Oregon

Last reviewed: November 2026. Source: OSU Extension april garden calendar.