When to plant Radishes in Oregon

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

In fall, from May 1 – Aug 1 in Baker City to Oct 1 – Dec 31 in Newport.

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

Radishes planting dates by place in Oregon
PlaceSpringFall
AlbanyMar 10 – May 10Aug 15 – Oct 15
AshlandApr 1 – June 1July 15 – Sept 15
Baker CityApr 15 – June 15May 1 – Aug 1
BeavertonFeb 15 – May 1Sept 1 – Nov 15Now
BendMay 15 – June 1June 1 – Aug 15
CanbyJan 20 – May 1Sept 1 – Nov 15Now
Central PointMar 1 – May 1Aug 15 – Oct 15
Coos BayJan 1 – Apr 1Aug 1 – Sept 15
CorneliusMar 10 – May 10Aug 15 – Oct 15
CorvallisMar 10 – May 10Aug 15 – Oct 15
Cottage GroveMar 10 – May 10Aug 1 – Oct 1
DallasMar 10 – May 10Aug 15 – Oct 15
EugeneMar 1 – May 1Aug 1 – Oct 1
FairviewJan 20 – May 1Sept 1 – Dec 1Now
Forest GroveMar 10 – May 10Aug 15 – Oct 15
GladstoneJan 20 – May 1Sept 1 – Dec 1Now
Grants PassMar 1 – May 1Aug 15 – Oct 15
GreshamJan 20 – May 1Sept 1 – Dec 1Now
Happy ValleyJan 20 – May 1Sept 1 – Dec 1Now
HermistonMar 20 – May 10July 15 – Sept 15
HillsboroMar 10 – May 10Aug 1 – Oct 1
IndependenceMar 10 – May 10Aug 15 – Oct 15
KeizerFeb 15 – May 1Aug 15 – Oct 15
Klamath FallsMay 15 – June 1June 1 – Aug 15
La GrandeApr 1 – June 1July 1 – Sept 1
Lake OswegoJan 20 – May 1Sept 1 – Dec 1Now
LebanonJan 1 – Apr 15Sept 1 – Dec 1Now
Lincoln CityFeb 15 – May 1Sept 1 – Dec 1Now
McMinnvilleMar 1 – May 1Sept 1 – Nov 15Now
MedfordMar 1 – May 1Aug 15 – Oct 15
MilwaukieJan 1 – Apr 1Sept 1 – Dec 31Now
MolallaJan 20 – May 1Sept 1 – Dec 1Now
MonmouthMar 10 – May 10Aug 15 – Oct 15
NewbergJan 20 – May 1Sept 1 – Dec 1Now
NewportJan 1 – Apr 1Oct 1 – Dec 31Now
North BendJan 1 – Apr 1Aug 1 – Sept 15
OntarioMar 10 – May 10July 15 – Sept 15
Oregon CityJan 20 – May 1Sept 1 – Dec 1Now
PendletonMar 10 – May 10July 15 – Sept 15
PortlandJan 1 – Apr 1Sept 1 – Dec 31Now
PrinevilleMay 1 – June 15June 1 – Aug 15
RedmondMay 15 – June 1May 1 – Aug 1
RoseburgJan 20 – May 1Sept 1 – Dec 1Now
SalemFeb 15 – May 1Aug 15 – Oct 15
SandyFeb 15 – May 1Sept 1 – Dec 1Now
SherwoodJan 20 – May 1Sept 1 – Dec 1Now
SilvertonFeb 15 – May 1Sept 1 – Nov 15Now
SpringfieldMar 1 – May 1Aug 1 – Oct 1
St. HelensMar 10 – May 10Sept 1 – Nov 15Now
Sweet HomeMar 1 – May 1Aug 15 – Oct 15
The DallesMar 1 – May 1Aug 15 – Oct 15
TigardFeb 15 – May 1Sept 1 – Nov 15Now
TroutdaleFeb 15 – May 1Sept 1 – Dec 1Now
TualatinFeb 15 – May 1Sept 1 – Nov 15Now
West LinnJan 20 – May 1Sept 1 – Dec 1Now
WilsonvilleJan 20 – May 1Sept 1 – Nov 15Now
WoodburnJan 20 – May 1Sept 1 – Nov 15Now

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 radishes.