When to plant Peppers in Pennsylvania

In spring, from Apr 15 – June 1 in Chester to May 20 – June 10 in St. Marys.

In fall, June 1 – July 10.

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.

Peppers planting dates by place in Pennsylvania
PlaceSpringFall
AllentownMay 10 – June 1June 1 – July 10
AltoonaMay 10 – June 1June 1 – July 10
BaldwinMay 10 – June 1June 1 – July 20
BerwickMay 15 – June 10June 1 – July 1
Bethel ParkMay 10 – June 1June 1 – July 20
BethlehemMay 10 – June 1June 1 – July 10
BloomsburgMay 15 – June 10June 1 – July 10
ButlerMay 20 – June 10June 1 – July 1
CarlisleMay 10 – June 1June 1 – July 10
ChambersburgMay 10 – June 1June 1 – July 10
ChesterApr 15 – June 1June 1 – Aug 15
CoatesvilleMay 10 – June 1June 1 – July 10
ColumbiaMay 15 – June 10June 1 – July 1
DarbyApr 15 – June 1June 1 – Aug 1
DunmoreMay 10 – June 1June 1 – July 10
EastonMay 10 – June 1June 1 – July 10
ElizabethtownMay 1 – June 1June 1 – July 20
EmmausMay 10 – June 1June 1 – July 10
EphrataMay 10 – June 1June 1 – July 10
ErieMay 15 – June 10June 1 – July 20
Franklin ParkMay 10 – June 1June 1 – July 20
GreensburgMay 15 – June 10June 1 – July 1
HanoverMay 10 – June 1June 1 – July 10
HarrisburgMay 1 – June 1June 1 – July 10
HazletonMay 15 – June 10June 1 – July 10
HermitageMay 20 – June 10June 1 – July 1
IndianaMay 20 – June 10June 1 – July 1
Jefferson HillsMay 10 – June 1June 1 – July 20
JohnstownMay 15 – June 10June 1 – July 10
KingstonMay 10 – June 1June 1 – July 10
LancasterMay 10 – June 1June 1 – July 10
LansdaleMay 1 – June 1June 1 – July 20
LansdowneApr 15 – June 1June 1 – Aug 1
LebanonMay 10 – June 1June 1 – July 10
Lower BurrellMay 10 – June 1June 1 – July 20
McKeesportMay 15 – June 10June 1 – July 10
MeadvilleMay 15 – June 10June 1 – July 10
MechanicsburgMay 1 – June 1June 1 – July 20
MonroevilleMay 10 – June 1June 1 – July 10
MunhallMay 1 – June 1June 1 – Aug 1
MurrysvilleMay 10 – June 1June 1 – July 10
NanticokeMay 20 – June 10June 1 – July 1
New CastleMay 15 – June 10June 1 – July 10
New KensingtonMay 10 – June 1June 1 – July 20
NorristownMay 1 – June 1June 1 – July 20
NorthamptonMay 10 – June 1June 1 – July 10
PhiladelphiaApr 15 – June 1June 1 – Aug 15
PhoenixvilleMay 10 – June 1June 1 – July 20
PittsburghMay 10 – June 1June 1 – July 20
PlumMay 10 – June 1June 1 – July 20
PottstownMay 10 – June 1June 1 – July 10
PottsvilleMay 15 – June 10June 1 – July 10
ReadingMay 1 – June 1June 1 – July 20
ScrantonMay 10 – June 1June 1 – July 10
SharonMay 15 – June 10June 1 – July 10
St. MarysMay 20 – June 10June 1 – July 1
State CollegeMay 10 – June 1June 1 – July 20
WashingtonMay 10 – June 1June 1 – July 10
WaynesboroMay 10 – June 1June 1 – July 10
West ChesterMay 15 – June 10June 1 – July 10
West MifflinMay 10 – June 1June 1 – July 20
WhitehallMay 10 – June 1June 1 – July 20
Wilkes-BarreMay 10 – June 1June 1 – July 10
WilkinsburgMay 1 – June 1June 1 – Aug 1
WilliamsportMay 10 – June 1June 1 – July 10
WyomissingMay 1 – June 1June 1 – July 20
YeadonApr 15 – June 1June 1 – Aug 1
YorkMay 15 – June 10June 1 – July 10

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 peppers.