FrostCal

When to Plant Spinach in Pennsylvania

In a typical Pennsylvania location, sow outdoors Mar 9 – Mar 23. Across the state, the outdoor planting window starts as early as Feb 16 in Philadelphia and as late as Apr 3 in Hermitage. For a fall crop, plant around Aug 30 – Sep 13.

Method Direct sow
Days to maturity 40–50 days

Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Spinach Planting Dates by City

CityDirect sowFall planting
PhiladelphiaFeb 16 – Mar 2Sep 22 – Oct 6
PittsburghMar 13 – Mar 27Sep 1 – Sep 15
AllentownMar 9 – Mar 23Aug 29 – Sep 12
ErieMar 15 – Mar 29Sep 9 – Sep 23
ReadingMar 3 – Mar 17Sep 3 – Sep 17
ScrantonMar 12 – Mar 26Aug 25 – Sep 8
BethlehemMar 9 – Mar 23Aug 29 – Sep 12
BensalemMar 10 – Mar 24Aug 30 – Sep 13
LancasterMar 8 – Mar 22Aug 29 – Sep 12
AbingtonFeb 28 – Mar 14Sep 6 – Sep 20
LevittownMar 10 – Mar 24Aug 30 – Sep 13
HavertownFeb 16 – Mar 2Sep 22 – Oct 6
HarrisburgMar 4 – Mar 18Aug 28 – Sep 11
AltoonaMar 14 – Mar 28Aug 26 – Sep 9
YorkMar 15 – Mar 29Aug 24 – Sep 7
State CollegeMar 9 – Mar 23Aug 31 – Sep 14
Wilkes-BarreMar 12 – Mar 26Aug 25 – Sep 8
NorristownFeb 25 – Mar 11Sep 5 – Sep 19
ChesterFeb 16 – Mar 2Sep 21 – Oct 5
Mount LebanonMar 7 – Mar 21Sep 2 – Sep 16
Bethel ParkMar 7 – Mar 21Sep 2 – Sep 16
WayneFeb 25 – Mar 11Sep 5 – Sep 19
RadnorFeb 25 – Mar 11Sep 5 – Sep 19
WilliamsportMar 14 – Mar 28Aug 29 – Sep 12
MonroevilleMar 11 – Mar 25Aug 30 – Sep 13
Cranberry TownshipFeb 25 – Mar 11Sep 13 – Sep 27
Drexel HillFeb 19 – Mar 5Sep 15 – Sep 29
PlumMar 5 – Mar 19Sep 6 – Sep 20
Back MountainMar 12 – Mar 26Aug 25 – Sep 8
EastonMar 7 – Mar 21Aug 30 – Sep 13

Showing the 30 most populous of 121 Pennsylvania cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Pennsylvania cities.

Frequently Asked Questions

When should I plant spinach in Pennsylvania?

In a typical Pennsylvania location, sow outdoors Mar 9 – Mar 23. Across the state, the outdoor planting window starts as early as Feb 16 in Philadelphia and as late as Apr 3 in Hermitage. For a fall crop, plant around Aug 30 – Sep 13.

When is the last frost in Pennsylvania?

The average last spring frost in Pennsylvania ranges from March 30 in Philadelphia to May 15 in Hermitage, based on NOAA 1991–2020 climate normals.

How long do spinach take to grow?

Spinach typically take 40–50 days from planting to harvest. Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Other Crops in Pennsylvania

When to plant spinach in other states

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