When to plant Celery in Washington

In spring, from Feb 1 – Mar 1 in Burien to May 20 – June 1 in Cheney.

In fall, from May 1 – June 1 in Cheney to Aug 1 – Dec 1 in Port Townsend.

Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Celery and celeriac planting dates by place in Washington
PlaceSpringFall
AberdeenMar 15 – Apr 15July 1 – Aug 15
Airway HeightsApr 15 – May 1June 1 – July 15
AnacortesFeb 20 – Mar 20July 15 – Sept 1
ArlingtonApr 10 – May 1June 1 – Aug 1
AuburnMar 1 – Apr 1July 1 – Aug 15
Bainbridge IslandMar 15 – Apr 15July 1 – Aug 15
Battle GroundApr 15 – May 1June 1 – Aug 1
BellevueFeb 20 – Mar 20July 15 – Sept 1
BellinghamMar 15 – Apr 15June 15 – Aug 15
Bonney LakeApr 1 – 20June 15 – Aug 15
BothellFeb 20 – Mar 20July 15 – Sept 1
BremertonMar 15 – Apr 15July 1 – Aug 15
BurienFeb 1 – Mar 1July 15 – Sept 1
BurlingtonMar 1 – Apr 1June 15 – Aug 15
CamasMar 1 – Apr 1July 15 – Sept 1
CentraliaApr 10 – May 1June 15 – Aug 15
CheneyMay 20 – June 1May 1 – June 1
CovingtonApr 10 – May 1June 1 – Aug 1
Des MoinesFeb 1 – Mar 1July 15 – Sept 1
East WenatcheeMar 15 – Apr 15June 15 – Aug 15
EdgewoodFeb 20 – Mar 20July 1 – Aug 15
EdmondsFeb 20 – Mar 20July 15 – Sept 1
EllensburgApr 20 – June 15June 1 – July 5
EnumclawApr 1 – 20June 15 – Aug 15
EverettMar 1 – Apr 1June 15 – Aug 15
Federal WayFeb 20 – Mar 20July 1 – Aug 15
FerndaleMar 15 – Apr 15June 15 – Aug 15
FifeFeb 20 – Mar 20July 1 – Aug 15
Gig HarborFeb 20 – Mar 20July 15 – Sept 1
GrandviewApr 15 – May 1June 1 – July 15
IssaquahFeb 20 – Mar 20July 15 – Sept 1
KelsoApr 1 – 20July 1 – Aug 15
KenmoreFeb 20 – Mar 20July 15 – Sept 1
KennewickMar 15 – Apr 15June 15 – Aug 15
KentMar 1 – Apr 1July 1 – Aug 15
KirklandFeb 20 – Mar 20July 15 – Sept 1
LaceyApr 15 – May 1June 1 – July 15
Lake Forest ParkFeb 20 – Mar 20July 15 – Sept 1
Lake StevensMar 1 – Apr 1June 15 – Aug 15
LakewoodFeb 20 – Mar 20July 15 – Sept 1
Liberty LakeApr 15 – May 1June 1 – July 15
LongviewApr 1 – 20July 1 – Aug 15
LyndenApr 10 – May 1June 1 – Aug 1
LynnwoodFeb 20 – Mar 20July 15 – Sept 1
Maple ValleyApr 10 – May 1June 1 – Aug 1
MarysvilleMar 1 – Apr 1June 15 – Aug 15
Mercer IslandFeb 20 – Mar 20July 15 – Sept 1
Mill CreekFeb 20 – Mar 20July 15 – Sept 1
MonroeApr 10 – May 1June 1 – Aug 1
Moses LakeApr 15 – May 1June 1 – July 15
Mount VernonMar 1 – Apr 1June 15 – Aug 15
Mountlake TerraceFeb 20 – Mar 20July 15 – Sept 1
MukilteoFeb 20 – Mar 20July 15 – Sept 1
NewcastleFeb 20 – Mar 20July 15 – Sept 1
Oak HarborFeb 20 – Mar 20July 1 – Aug 15
OlympiaApr 15 – May 1June 1 – July 15
PascoApr 15 – May 1June 1 – July 15
Port AngelesFeb 20 – Mar 20July 15 – Sept 1
Port OrchardMar 15 – Apr 15July 1 – Aug 15
Port TownsendFeb 1 – Mar 1Aug 1 – Dec 1Now
PoulsboMar 15 – Apr 15July 1 – Aug 15
PullmanApr 20 – June 15June 1 – July 5
PuyallupApr 1 – 20June 15 – Aug 15
RedmondFeb 20 – Mar 20July 15 – Sept 1
RentonFeb 20 – Mar 20July 15 – Sept 1
RichlandApr 1 – 20June 1 – Aug 1
RidgefieldApr 15 – May 1June 1 – Aug 1
SammamishMar 15 – Apr 15July 1 – Aug 15
SeaTacFeb 1 – Mar 1July 15 – Sept 1
SeattleFeb 20 – Mar 20July 15 – Sept 1
Sedro-WoolleyMar 15 – Apr 15July 1 – Aug 15
SheltonApr 15 – May 1June 1 – Aug 1
ShorelineFeb 20 – Mar 20July 15 – Sept 1
SnohomishMar 1 – Apr 1June 15 – Aug 15
SnoqualmieMar 15 – Apr 15July 1 – Aug 15
SpokaneApr 15 – May 1June 1 – July 15
Spokane ValleyApr 15 – May 1June 1 – July 15
SumnerApr 1 – 20June 15 – Aug 15
SunnysideApr 15 – May 1June 1 – July 15
TacomaFeb 20 – Mar 20July 1 – Aug 15
TukwilaFeb 1 – Mar 1July 15 – Sept 1
TumwaterApr 15 – May 1June 1 – July 15
University PlaceFeb 20 – Mar 20July 15 – Sept 1
VancouverMar 15 – Apr 15July 1 – Aug 15
Walla WallaMar 15 – Apr 15June 15 – Aug 15
WashougalMar 15 – Apr 15July 15 – Sept 1
WenatcheeMar 15 – Apr 15June 15 – Aug 15
West RichlandApr 1 – 20June 1 – Aug 1
WoodinvilleFeb 20 – Mar 20July 15 – Sept 1
YakimaApr 1 – 20June 1 – Aug 1
YelmApr 15 – May 1June 1 – July 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 celery and celeriac.