When to plant Chinese cabbage in Pennsylvania

In spring, Apr 1 – May 15.

In fall, from June 1 – July 15 in Hermitage to Sept 1 – Oct 15 in Philadelphia.

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

Chinese cabbage planting dates by place in Pennsylvania
PlaceSpringFall
AllentownFall-plantedJuly 15 – Aug 15
AltoonaFall-plantedJuly 15 – Aug 15
BaldwinFall-plantedAug 1 – Sept 15
BerwickFall-plantedJune 15 – Aug 1
Bethel ParkFall-plantedAug 1 – Sept 15
BethlehemFall-plantedJuly 15 – Aug 15
BloomsburgFall-plantedJuly 15 – Aug 15
ButlerApr 1 – May 15June 15 – Aug 1
CarlisleFall-plantedJuly 15 – Aug 15
ChambersburgFall-plantedJuly 15 – Aug 15
ChesterFall-plantedSept 1 – Oct 15
CoatesvilleFall-plantedJuly 15 – Aug 15
ColumbiaFall-plantedJune 15 – Aug 1
DarbyFall-plantedAug 15 – Oct 1
DunmoreFall-plantedJuly 15 – Aug 15
EastonFall-plantedJuly 15 – Aug 15
ElizabethtownFall-plantedAug 1 – Sept 15
EmmausFall-plantedJuly 15 – Aug 15
EphrataFall-plantedJuly 15 – Aug 15
ErieFall-plantedAug 1 – Sept 15
Franklin ParkFall-plantedAug 1 – Sept 15
GreensburgFall-plantedJune 15 – Aug 1
HanoverFall-plantedJuly 15 – Aug 15
HarrisburgFall-plantedJuly 15 – Aug 15
HazletonFall-plantedJuly 15 – Aug 15
HermitageApr 1 – May 15June 1 – July 15
IndianaApr 1 – May 15June 15 – Aug 1
Jefferson HillsFall-plantedAug 1 – Sept 15
JohnstownFall-plantedJuly 15 – Aug 15
KingstonFall-plantedJuly 15 – Aug 15
LancasterFall-plantedJuly 15 – Aug 15
LansdaleFall-plantedAug 1 – Sept 15
LansdowneFall-plantedAug 15 – Oct 1
LebanonFall-plantedJuly 15 – Aug 15
Lower BurrellFall-plantedAug 1 – Sept 15
McKeesportFall-plantedJuly 15 – Aug 15
MeadvilleFall-plantedJuly 15 – Aug 15
MechanicsburgFall-plantedAug 1 – Sept 15
MonroevilleFall-plantedJuly 15 – Aug 15
MunhallFall-plantedAug 15 – Oct 1
MurrysvilleFall-plantedJuly 15 – Aug 15
NanticokeApr 1 – May 15June 15 – Aug 1
New CastleFall-plantedJuly 15 – Aug 15
New KensingtonFall-plantedAug 1 – Sept 15
NorristownFall-plantedAug 1 – Sept 15
NorthamptonFall-plantedJuly 15 – Aug 15
PhiladelphiaFall-plantedSept 1 – Oct 15
PhoenixvilleFall-plantedAug 1 – Sept 15
PittsburghFall-plantedAug 1 – Sept 15
PlumFall-plantedAug 1 – Sept 15
PottstownFall-plantedJuly 15 – Aug 15
PottsvilleFall-plantedJuly 15 – Aug 15
ReadingFall-plantedAug 1 – Sept 15
ScrantonFall-plantedJuly 15 – Aug 15
SharonFall-plantedJuly 15 – Aug 15
St. MarysApr 1 – May 15June 15 – Aug 1
State CollegeFall-plantedAug 1 – Sept 15
WashingtonFall-plantedJuly 15 – Aug 15
WaynesboroFall-plantedJuly 15 – Aug 15
West ChesterFall-plantedJuly 15 – Aug 15
West MifflinFall-plantedAug 1 – Sept 15
WhitehallFall-plantedAug 1 – Sept 15
Wilkes-BarreFall-plantedJuly 15 – Aug 15
WilkinsburgFall-plantedAug 15 – Oct 1
WilliamsportFall-plantedJuly 15 – Aug 15
WyomissingFall-plantedAug 1 – Sept 15
YeadonFall-plantedAug 15 – Oct 1
YorkFall-plantedJuly 15 – 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 chinese cabbage.