When to plant brussels sprouts in Pennsylvania

Brussels sprouts
Plant out in Philadelphia
Mar 16–Mar 30

Across Pennsylvania the window opens between March 16 and April 16. Find your city below; the dates follow each town's own average last frost.

Start indoors, Philadelphia
Feb 2–Feb 16
Plant out, Philadelphia
Mar 16–Mar 30
Fall planting, Philadelphia
Jul 28–Aug 11
Last frost, Philadelphia
Mar 30

Start seeds indoors 6–8 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 14–16 weeks before the first frost. Sprouts taste best after a few frosts. Plan the harvest for late fall.

Brussels sprouts planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
PhiladelphiaMar 16–Mar 30
PittsburghApr 4–Apr 18
AllentownApr 6–Apr 20
ReadingMar 31–Apr 14
ErieApr 12–Apr 26
BethlehemApr 6–Apr 20
ScrantonApr 9–Apr 23
LancasterApr 5–Apr 19
LevittownApr 7–Apr 21
HarrisburgApr 1–Apr 15
YorkApr 12–Apr 26
Wilkes-BarreApr 9–Apr 23
AltoonaApr 11–Apr 25
State CollegeApr 6–Apr 20
Penn HillsApr 2–Apr 16
NorristownMar 25–Apr 8
ChesterMar 16–Mar 30
Mount LebanonApr 4–Apr 18
Bethel ParkApr 4–Apr 18
EastonApr 4–Apr 18
HazletonApr 16–Apr 30
Drexel HillMar 19–Apr 2
MonroevilleApr 8–Apr 22
WilliamsportApr 11–Apr 25
LebanonApr 6–Apr 20
PlumApr 2–Apr 16
King of PrussiaMar 25–Apr 8
ChambersburgApr 4–Apr 18
PottstownApr 6–Apr 20
CarlisleApr 9–Apr 23
All 35 cities
CityStart indoorsPlant outFall plantingLast frost
PhiladelphiaFeb 2 to Feb 16Mar 16 to Mar 30Jul 28 to Aug 11Mar 30
PittsburghFeb 21 to Mar 7Apr 4 to Apr 18Jul 8 to Jul 22Apr 18
AllentownFeb 23 to Mar 9Apr 6 to Apr 20Jul 4 to Jul 18Apr 20
ReadingFeb 17 to Mar 3Mar 31 to Apr 14Jul 9 to Jul 23Apr 14
ErieMar 1 to Mar 15Apr 12 to Apr 26Jul 15 to Jul 29Apr 26
BethlehemFeb 23 to Mar 9Apr 6 to Apr 20Jul 4 to Jul 18Apr 20
ScrantonFeb 26 to Mar 12Apr 9 to Apr 23Jun 30 to Jul 14Apr 23
LancasterFeb 22 to Mar 8Apr 5 to Apr 19Jul 4 to Jul 18Apr 19
LevittownFeb 24 to Mar 10Apr 7 to Apr 21Jul 5 to Jul 19Apr 21
HarrisburgFeb 18 to Mar 4Apr 1 to Apr 15Jul 3 to Jul 17Apr 15
YorkMar 1 to Mar 15Apr 12 to Apr 26Jun 29 to Jul 13Apr 26
Wilkes-BarreFeb 26 to Mar 12Apr 9 to Apr 23Jun 30 to Jul 14Apr 23
AltoonaFeb 28 to Mar 14Apr 11 to Apr 25Jul 1 to Jul 15Apr 25
State CollegeFeb 23 to Mar 9Apr 6 to Apr 20Jul 6 to Jul 20Apr 20
Penn HillsFeb 19 to Mar 5Apr 2 to Apr 16Jul 12 to Jul 26Apr 16
NorristownFeb 11 to Feb 25Mar 25 to Apr 8Jul 11 to Jul 25Apr 8
ChesterFeb 2 to Feb 16Mar 16 to Mar 30Jul 27 to Aug 10Mar 30
Mount LebanonFeb 21 to Mar 7Apr 4 to Apr 18Jul 8 to Jul 22Apr 18
Bethel ParkFeb 21 to Mar 7Apr 4 to Apr 18Jul 8 to Jul 22Apr 18
EastonFeb 21 to Mar 7Apr 4 to Apr 18Jul 5 to Jul 19Apr 18
HazletonMar 5 to Mar 19Apr 16 to Apr 30Jul 2 to Jul 16Apr 30
Drexel HillFeb 5 to Feb 19Mar 19 to Apr 2Jul 21 to Aug 4Apr 2
MonroevilleFeb 25 to Mar 11Apr 8 to Apr 22Jul 5 to Jul 19Apr 22
WilliamsportFeb 28 to Mar 14Apr 11 to Apr 25Jul 4 to Jul 18Apr 25
LebanonFeb 23 to Mar 9Apr 6 to Apr 20Jul 5 to Jul 19Apr 20
PlumFeb 19 to Mar 5Apr 2 to Apr 16Jul 12 to Jul 26Apr 16
King of PrussiaFeb 11 to Feb 25Mar 25 to Apr 8Jul 11 to Jul 25Apr 8
ChambersburgFeb 21 to Mar 7Apr 4 to Apr 18Jul 5 to Jul 19Apr 18
PottstownFeb 23 to Mar 9Apr 6 to Apr 20Jul 3 to Jul 17Apr 20
CarlisleFeb 26 to Mar 12Apr 9 to Apr 23Jun 28 to Jul 12Apr 23
Allison ParkFeb 19 to Mar 5Apr 2 to Apr 16Jul 12 to Jul 26Apr 16
New CastleMar 5 to Mar 19Apr 16 to Apr 30Jul 3 to Jul 17Apr 30
MurrysvilleFeb 25 to Mar 11Apr 8 to Apr 22Jul 5 to Jul 19Apr 22
BaldwinFeb 21 to Mar 7Apr 4 to Apr 18Jul 8 to Jul 22Apr 18
PhoenixvilleFeb 21 to Mar 7Apr 4 to Apr 18Jul 7 to Jul 21Apr 18

Questions

When should I plant brussels sprouts in Pennsylvania?

In Philadelphia, plant out from March 16 to March 30. Across Pennsylvania the window opens between March 16 and April 16, depending on the local last frost.

How is this date worked out?

Start seeds indoors 6–8 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 14–16 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Pennsylvania

Brussels sprouts in other states

Frost dates for every city in Pennsylvania