When to plant cilantro in Pennsylvania

Cilantro
Sow outdoors in Philadelphia
Mar 16–Apr 6

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.

Sow outdoors, Philadelphia
Mar 16–Apr 6
Fall planting, Philadelphia
Sep 22–Oct 6
Last frost, Philadelphia
Mar 30

Sow outdoors from 2 weeks before to 1 weeks after the last frost; sow again for fall 6–8 weeks before the first frost. Cilantro goes to seed quickly in warm weather. Sow small amounts often.

Cilantro planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
PhiladelphiaMar 16–Apr 6
PittsburghApr 4–Apr 25
AllentownApr 6–Apr 27
ReadingMar 31–Apr 21
ErieApr 12–May 3
BethlehemApr 6–Apr 27
ScrantonApr 9–Apr 30
LancasterApr 5–Apr 26
LevittownApr 7–Apr 28
HarrisburgApr 1–Apr 22
YorkApr 12–May 3
Wilkes-BarreApr 9–Apr 30
AltoonaApr 11–May 2
State CollegeApr 6–Apr 27
Penn HillsApr 2–Apr 23
NorristownMar 25–Apr 15
ChesterMar 16–Apr 6
Mount LebanonApr 4–Apr 25
Bethel ParkApr 4–Apr 25
EastonApr 4–Apr 25
HazletonApr 16–May 7
Drexel HillMar 19–Apr 9
MonroevilleApr 8–Apr 29
WilliamsportApr 11–May 2
LebanonApr 6–Apr 27
PlumApr 2–Apr 23
King of PrussiaMar 25–Apr 15
ChambersburgApr 4–Apr 25
PottstownApr 6–Apr 27
CarlisleApr 9–Apr 30
All 35 cities
CitySow outdoorsFall plantingLast frost
PhiladelphiaMar 16 to Apr 6Sep 22 to Oct 6Mar 30
PittsburghApr 4 to Apr 25Sep 2 to Sep 16Apr 18
AllentownApr 6 to Apr 27Aug 29 to Sep 12Apr 20
ReadingMar 31 to Apr 21Sep 3 to Sep 17Apr 14
ErieApr 12 to May 3Sep 9 to Sep 23Apr 26
BethlehemApr 6 to Apr 27Aug 29 to Sep 12Apr 20
ScrantonApr 9 to Apr 30Aug 25 to Sep 8Apr 23
LancasterApr 5 to Apr 26Aug 29 to Sep 12Apr 19
LevittownApr 7 to Apr 28Aug 30 to Sep 13Apr 21
HarrisburgApr 1 to Apr 22Aug 28 to Sep 11Apr 15
YorkApr 12 to May 3Aug 24 to Sep 7Apr 26
Wilkes-BarreApr 9 to Apr 30Aug 25 to Sep 8Apr 23
AltoonaApr 11 to May 2Aug 26 to Sep 9Apr 25
State CollegeApr 6 to Apr 27Aug 31 to Sep 14Apr 20
Penn HillsApr 2 to Apr 23Sep 6 to Sep 20Apr 16
NorristownMar 25 to Apr 15Sep 5 to Sep 19Apr 8
ChesterMar 16 to Apr 6Sep 21 to Oct 5Mar 30
Mount LebanonApr 4 to Apr 25Sep 2 to Sep 16Apr 18
Bethel ParkApr 4 to Apr 25Sep 2 to Sep 16Apr 18
EastonApr 4 to Apr 25Aug 30 to Sep 13Apr 18
HazletonApr 16 to May 7Aug 27 to Sep 10Apr 30
Drexel HillMar 19 to Apr 9Sep 15 to Sep 29Apr 2
MonroevilleApr 8 to Apr 29Aug 30 to Sep 13Apr 22
WilliamsportApr 11 to May 2Aug 29 to Sep 12Apr 25
LebanonApr 6 to Apr 27Aug 30 to Sep 13Apr 20
PlumApr 2 to Apr 23Sep 6 to Sep 20Apr 16
King of PrussiaMar 25 to Apr 15Sep 5 to Sep 19Apr 8
ChambersburgApr 4 to Apr 25Aug 30 to Sep 13Apr 18
PottstownApr 6 to Apr 27Aug 28 to Sep 11Apr 20
CarlisleApr 9 to Apr 30Aug 23 to Sep 6Apr 23
Allison ParkApr 2 to Apr 23Sep 6 to Sep 20Apr 16
New CastleApr 16 to May 7Aug 28 to Sep 11Apr 30
MurrysvilleApr 8 to Apr 29Aug 30 to Sep 13Apr 22
BaldwinApr 4 to Apr 25Sep 2 to Sep 16Apr 18
PhoenixvilleApr 4 to Apr 25Sep 1 to Sep 15Apr 18

Questions

When should I plant cilantro in Pennsylvania?

In Philadelphia, sow outdoors from March 16 to April 6. Across Pennsylvania the window opens between March 16 and April 16, depending on the local last frost.

How is this date worked out?

Sow outdoors from 2 weeks before to 1 weeks after the last frost; sow again for fall 6–8 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Pennsylvania

Cilantro in other states

Frost dates for every city in Pennsylvania