When to plant Lima beans in Oregon

In spring, from Mar 1 – May 1 in Coos Bay to May 25 – June 15 in La Grande.

In fall, from June 1 – 15 in Ashland to Sept 1 – 30 in North Bend.

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

Lima beans planting dates by place in Oregon
PlaceSpringFall
AlbanyMay 1 – June 20July 1 – Aug 1
AshlandMay 25 – June 15June 1 – 15
Baker CityNot listedNot listed
BeavertonApr 15 – June 20July 1 – Aug 15
BendNot listedNot listed
CanbyApr 1 – June 15July 1 – Aug 15
Central PointApr 1 – June 30July 1 – Aug 1
Coos BayMar 1 – May 1Sept 1 – 30
CorneliusMay 1 – June 20July 1 – Aug 1
CorvallisMay 1 – June 20July 1 – Aug 1
Cottage GroveMay 1 – June 20June 15 – 30
DallasMay 1 – June 20July 1 – Aug 1
EugeneApr 1 – June 30June 15 – 30
FairviewApr 1 – June 15July 15 – Sept 1
Forest GroveMay 1 – June 20July 1 – Aug 1
GladstoneApr 1 – June 15July 15 – Sept 1
Grants PassApr 1 – June 30July 1 – Aug 1
GreshamApr 1 – June 15July 15 – Sept 1
Happy ValleyApr 1 – June 15July 15 – Sept 1
HermistonMay 15 – June 15June 1 – 15
HillsboroMay 1 – June 20June 15 – 30
IndependenceMay 1 – June 20July 1 – Aug 1
KeizerApr 15 – June 20July 1 – Aug 1
Klamath FallsNot listedNot listed
La GrandeMay 25 – June 15June 1 – 15
Lake OswegoApr 1 – June 15July 15 – Sept 1
LebanonMar 20 – June 1July 15 – Sept 1
Lincoln CityApr 15 – June 20July 15 – Sept 1
McMinnvilleApr 1 – June 30July 1 – Aug 15
MedfordApr 1 – June 30July 1 – Aug 1
MilwaukieMar 15 – June 1Aug 1 – Sept 15
MolallaApr 1 – June 15July 15 – Sept 1
MonmouthMay 1 – June 20July 1 – Aug 1
NewbergApr 1 – June 15July 15 – Sept 1
NewportMar 1 – May 1Sept 1 – Oct 1
North BendMar 1 – May 1Sept 1 – 30
OntarioMay 1 – June 20June 1 – 15
Oregon CityApr 1 – June 15July 15 – Sept 1
PendletonMay 1 – June 20June 1 – 15
PortlandMar 15 – June 1Aug 1 – Sept 15
PrinevilleNot listedNot listed
RedmondNot listedNot listed
RoseburgApr 1 – June 15July 15 – Sept 1
SalemApr 15 – June 20July 1 – Aug 1
SandyApr 15 – June 20July 15 – Sept 1
SherwoodApr 1 – June 15July 15 – Sept 1
SilvertonApr 15 – June 20July 1 – Aug 15
SpringfieldApr 1 – June 30June 15 – 30
St. HelensMay 1 – June 20July 1 – Aug 15
Sweet HomeApr 1 – June 30July 1 – Aug 1
The DallesApr 1 – June 30July 1 – Aug 1
TigardApr 15 – June 20July 1 – Aug 15
TroutdaleApr 15 – June 20July 15 – Sept 1
TualatinApr 15 – June 20July 1 – Aug 15
West LinnApr 1 – June 15July 15 – Sept 1
WilsonvilleApr 1 – June 15July 1 – Aug 15
WoodburnApr 1 – June 15July 1 – Aug 15

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 lima beans.