When to plant Watermelon and cantaloupe in Oregon

In spring, from Feb 15 – Apr 15 in Coos Bay to June 15 – July 1 in Baker City.

For a fall crop, from May 1 – June 15 in Bend to July 15 – 30 in Woodburn.

Cantaloupe (muskmelon) dates are the same as watermelon except where the table notes them.

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

Watermelon planting dates by place in Oregon
PlaceSpringFall
AlbanyMay 1 – June 15July 1 – 15
AshlandJune 1 – 15June 1 – 15
Baker CityJune 15 – July 1Cantaloupe (muskmelon): not listedNot listed
BeavertonApr 10 – May 15July 15 – 30
BendNot listedMay 1 – June 15
CanbyApr 1 – May 1July 15 – 30
Central PointApr 20 – June 1July 1 – 15
Coos BayFeb 15 – Apr 15Not listed
CorneliusMay 1 – June 15July 1 – 15
CorvallisMay 1 – June 15July 1 – 15
Cottage GroveMay 1 – June 15June 15 – July 20
DallasMay 1 – June 15July 1 – 15
EugeneApr 20 – June 1June 15 – July 20
FairviewApr 1 – May 1Not listed
Forest GroveMay 1 – June 15July 1 – 15
GladstoneApr 1 – May 1Not listed
Grants PassApr 20 – June 1July 1 – 15
GreshamApr 1 – May 1Not listed
Happy ValleyApr 1 – May 1Not listed
HermistonMay 15 – June 15June 1 – 15
HillsboroMay 1 – June 15June 15 – July 20
IndependenceMay 1 – June 15July 1 – 15
KeizerApr 10 – May 15July 1 – 15
Klamath FallsNot listedMay 1 – June 15
La GrandeJune 1 – 15May 15 – June 1
Lake OswegoApr 1 – May 1Not listed
LebanonMar 15 – Apr 15Not listed
Lincoln CityApr 10 – May 15Not listed
McMinnvilleApr 20 – June 1July 15 – 30
MedfordApr 20 – June 1July 1 – 15
MilwaukieMar 1 – Apr 15Not listed
MolallaApr 1 – May 1Not listed
MonmouthMay 1 – June 15July 1 – 15
NewbergApr 1 – May 1Not listed
NewportFeb 15 – Apr 15Not listed
North BendFeb 15 – Apr 15Not listed
OntarioMay 1 – June 15June 1 – 15
Oregon CityApr 1 – May 1Not listed
PendletonMay 1 – June 15June 1 – 15
PortlandMar 1 – Apr 15Not listed
PrinevilleNot listedMay 1 – June 15
RedmondNot listedNot listed
RoseburgApr 1 – May 1Not listed
SalemApr 10 – May 15July 1 – 15
SandyApr 10 – May 15Not listed
SherwoodApr 1 – May 1Not listed
SilvertonApr 10 – May 15July 15 – 30
SpringfieldApr 20 – June 1June 15 – July 20
St. HelensMay 1 – June 15July 15 – 30
Sweet HomeApr 20 – June 1July 1 – 15
The DallesApr 20 – June 1July 1 – 15
TigardApr 10 – May 15July 15 – 30
TroutdaleApr 10 – May 15Not listed
TualatinApr 10 – May 15July 15 – 30
West LinnApr 1 – May 1Not listed
WilsonvilleApr 1 – May 1July 15 – 30
WoodburnApr 1 – May 1July 15 – 30

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. The full USDA table for watermelon.

Updated