When to plant Potatoes in Oregon

In spring, from Jan 15 – Mar 1 in Coos Bay to May 15 – June 1 in Redmond.

In fall, from May 1 – June 15 in Baker City to Aug 10 – Sept 15 in West Linn.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Potatoes planting dates by place in Oregon
PlaceSpringFall
AlbanyMar 15 – Apr 10July 20 – Aug 10
AshlandApr 1 – June 1May 15 – June 15
Baker CityApr 15 – June 15May 1 – June 15
BeavertonFeb 20 – Mar 20July 25 – Aug 20
BendMay 15 – June 1May 1 – June 15
CanbyFeb 10 – Mar 15July 25 – Aug 20
Central PointMar 10 – Apr 1July 20 – Aug 10
Coos BayJan 15 – Mar 1Aug 1 – Sept 15
CorneliusMar 15 – Apr 10July 20 – Aug 10
CorvallisMar 15 – Apr 10July 20 – Aug 10
Cottage GroveMar 15 – Apr 10June 15 – July 15
DallasMar 15 – Apr 10July 20 – Aug 10
EugeneMar 10 – Apr 1June 15 – July 15
FairviewFeb 10 – Mar 15Aug 10 – Sept 15
Forest GroveMar 15 – Apr 10July 20 – Aug 10
GladstoneFeb 10 – Mar 15Aug 10 – Sept 15
Grants PassMar 10 – Apr 1July 20 – Aug 10
GreshamFeb 10 – Mar 15Aug 10 – Sept 15
Happy ValleyFeb 10 – Mar 15Aug 10 – Sept 15
HermistonMar 20 – May 10May 15 – June 15
HillsboroMar 15 – Apr 10June 15 – July 15
IndependenceMar 15 – Apr 10July 20 – Aug 10
KeizerFeb 20 – Mar 20July 20 – Aug 10
Klamath FallsMay 15 – June 1May 1 – June 15
La GrandeApr 1 – June 1May 1 – June 15
Lake OswegoFeb 10 – Mar 15Aug 10 – Sept 15
LebanonFeb 1 – Mar 1Aug 10 – Sept 15
Lincoln CityFeb 20 – Mar 20Aug 10 – Sept 15
McMinnvilleMar 10 – Apr 1July 25 – Aug 20
MedfordMar 10 – Apr 1July 20 – Aug 10
MilwaukieJan 15 – Mar 1Aug 1 – Sept 15
MolallaFeb 10 – Mar 15Aug 10 – Sept 15
MonmouthMar 15 – Apr 10July 20 – Aug 10
NewbergFeb 10 – Mar 15Aug 10 – Sept 15
NewportJan 15 – Mar 1Aug 1 – Sept 15
North BendJan 15 – Mar 1Aug 1 – Sept 15
OntarioMar 15 – Apr 10May 15 – June 15
Oregon CityFeb 10 – Mar 15Aug 10 – Sept 15
PendletonMar 15 – Apr 10May 15 – June 15
PortlandJan 15 – Mar 1Aug 1 – Sept 15
PrinevilleMay 1 – June 15May 1 – June 15
RedmondMay 15 – June 1May 1 – June 15
RoseburgFeb 10 – Mar 15Aug 10 – Sept 15
SalemFeb 20 – Mar 20July 20 – Aug 10
SandyFeb 20 – Mar 20Aug 10 – Sept 15
SherwoodFeb 10 – Mar 15Aug 10 – Sept 15
SilvertonFeb 20 – Mar 20July 25 – Aug 20
SpringfieldMar 10 – Apr 1June 15 – July 15
St. HelensMar 15 – Apr 10July 25 – Aug 20
Sweet HomeMar 10 – Apr 1July 20 – Aug 10
The DallesMar 10 – Apr 1July 20 – Aug 10
TigardFeb 20 – Mar 20July 25 – Aug 20
TroutdaleFeb 20 – Mar 20Aug 10 – Sept 15
TualatinFeb 20 – Mar 20July 25 – Aug 20
West LinnFeb 10 – Mar 15Aug 10 – Sept 15
WilsonvilleFeb 10 – Mar 15July 25 – Aug 20
WoodburnFeb 10 – Mar 15July 25 – Aug 20

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for potatoes.