When to plant Swiss chard in New Jersey

In spring, from Mar 1 – May 25 in Atlantic City to Apr 15 – June 15 in Somerville.

In fall, June 1 – Sept 10.

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

Swiss chard planting dates by place in New Jersey
PlaceSpringFall
Asbury ParkMar 15 – June 15June 1 – Sept 10
Atlantic CityMar 1 – May 25June 1 – Oct 1
BayonneMar 1 – May 25June 1 – Sept 15
BeachwoodApr 1 – June 15June 1 – Aug 1
BellmawrMar 1 – May 25June 1 – Sept 15
BergenfieldMar 1 – May 25June 1 – Sept 10
Bound BrookApr 15 – June 15June 1 – Aug 1
BridgetonMar 15 – June 15June 1 – Sept 10
BurlingtonMar 15 – June 15June 1 – Sept 10
CamdenMar 1 – May 25June 1 – Oct 1
CarteretMar 1 – May 25June 1 – Sept 15
ChathamApr 1 – June 15June 1 – Sept 10
Cliffside ParkMar 1 – May 25June 1 – Oct 1
CliftonMar 15 – June 15June 1 – Sept 10
CollingswoodMar 15 – June 15June 1 – Sept 10
DoverApr 1 – June 15June 1 – Aug 1
DumontMar 1 – May 25June 1 – Sept 10
East OrangeMar 1 – May 25June 1 – Sept 15
East RutherfordMar 1 – May 25June 1 – Sept 10
EatontownMar 15 – June 15June 1 – Sept 10
EdgewaterMar 1 – May 25June 1 – Oct 1
ElizabethMar 1 – May 25June 1 – Sept 15
Elmwood ParkMar 1 – May 25June 1 – Sept 10
EnglewoodMar 1 – May 25June 1 – Sept 10
Fair LawnMar 1 – May 25June 1 – Sept 10
FairviewMar 1 – May 25June 1 – Oct 1
Florham ParkApr 1 – June 15June 1 – Sept 10
Fort LeeMar 1 – May 25June 1 – Sept 10
Franklin LakesApr 1 – June 15June 1 – Aug 1
FreeholdApr 1 – June 15June 1 – Aug 1
GarfieldMar 1 – May 25June 1 – Sept 10
GlassboroMar 15 – June 15June 1 – Sept 10
Glen RockMar 15 – June 15June 1 – Sept 10
Gloucester CityMar 1 – May 25June 1 – Oct 1
GuttenbergMar 1 – May 25June 1 – Oct 1
HackensackMar 1 – May 25June 1 – Sept 10
HackettstownApr 1 – June 15June 1 – Aug 1
HaddonfieldMar 15 – June 15June 1 – Sept 10
HammontonMar 15 – June 15June 1 – Sept 10
HarrisonMar 1 – May 25June 1 – Sept 15
Hasbrouck HeightsMar 1 – May 25June 1 – Sept 10
HawthorneMar 15 – June 15June 1 – Sept 10
Highland ParkMar 15 – June 15June 1 – Sept 10
HillsdaleMar 1 – May 25June 1 – Sept 10
HobokenMar 1 – May 25June 1 – Oct 1
HopatcongApr 1 – June 15June 1 – Aug 1
Jersey CityMar 1 – May 25June 1 – Sept 15
KearnyMar 1 – May 25June 1 – Sept 15
KinnelonApr 1 – June 15June 1 – Aug 1
Lincoln ParkMar 15 – June 15June 1 – Sept 10
LindenMar 1 – May 25June 1 – Sept 15
LindenwoldMar 15 – June 15June 1 – Sept 10
Little FerryMar 1 – May 25June 1 – Sept 10
LodiMar 1 – May 25June 1 – Sept 10
Long BranchMar 15 – June 15June 1 – Sept 10
MadisonApr 1 – June 15June 1 – Sept 10
ManvilleApr 15 – June 15June 1 – Aug 1
MaywoodMar 1 – May 25June 1 – Sept 10
MetuchenMar 15 – June 15June 1 – Sept 10
MiddlesexMar 15 – June 15June 1 – Sept 10
MillvilleApr 1 – June 15June 1 – Aug 1
MorristownApr 1 – June 15June 1 – Sept 10
New BrunswickMar 15 – June 15June 1 – Sept 10
New MilfordMar 1 – May 25June 1 – Sept 10
New ProvidenceApr 1 – June 15June 1 – Sept 10
NewarkMar 1 – May 25June 1 – Sept 15
North ArlingtonMar 1 – May 25June 1 – Sept 15
North PlainfieldMar 15 – June 15June 1 – Sept 10
OaklandApr 1 – June 15June 1 – Aug 1
Ocean CityMar 1 – May 25June 1 – Oct 1
Palisades ParkMar 1 – May 25June 1 – Sept 10
ParamusMar 1 – May 25June 1 – Sept 10
PassaicMar 1 – May 25June 1 – Sept 10
PatersonMar 15 – June 15June 1 – Sept 10
Perth AmboyMar 15 – June 15June 1 – Sept 10
PhillipsburgApr 1 – June 15June 1 – Aug 1
Pine HillMar 15 – June 15June 1 – Sept 10
PlainfieldMar 15 – June 15June 1 – Sept 10
PleasantvilleMar 1 – May 25June 1 – Oct 1
Point PleasantApr 1 – June 15June 1 – Aug 1
Pompton LakesApr 1 – June 15June 1 – Aug 1
PrincetonApr 1 – June 15June 1 – Aug 1
RahwayMar 15 – June 15June 1 – Sept 10
RamseyApr 1 – June 15June 1 – Aug 1
Red BankMar 15 – June 15June 1 – Sept 10
RidgefieldMar 1 – May 25June 1 – Sept 10
Ridgefield ParkMar 1 – May 25June 1 – Sept 10
RidgewoodMar 15 – June 15June 1 – Sept 10
RingwoodApr 1 – June 15June 1 – Aug 1
River EdgeMar 1 – May 25June 1 – Sept 10
RoselleMar 15 – June 15June 1 – Sept 10
Roselle ParkMar 15 – June 15June 1 – Sept 10
RutherfordMar 1 – May 25June 1 – Sept 10
SayrevilleMar 15 – June 15June 1 – Sept 10
SecaucusMar 1 – May 25June 1 – Sept 10
Somers PointMar 1 – May 25June 1 – Oct 1
SomervilleApr 15 – June 15June 1 – Aug 1
South AmboyMar 15 – June 15June 1 – Sept 10
South PlainfieldMar 15 – June 15June 1 – Sept 10
South RiverMar 15 – June 15June 1 – Sept 10
SummitApr 1 – June 15June 1 – Sept 10
TenaflyMar 1 – May 25June 1 – Sept 10
Tinton FallsMar 15 – June 15June 1 – Sept 10
TotowaMar 15 – June 15June 1 – Sept 10
TrentonApr 1 – June 15June 1 – Sept 10
Union CityMar 1 – May 25June 1 – Oct 1
VinelandApr 1 – June 15June 1 – Aug 1
WaldwickApr 1 – June 15June 1 – Aug 1
WallingtonMar 1 – May 25June 1 – Sept 10
WanaqueApr 1 – June 15June 1 – Aug 1
West New YorkMar 1 – May 25June 1 – Oct 1
WestfieldMar 15 – June 15June 1 – Sept 10
WestwoodMar 1 – May 25June 1 – Sept 10
Wood-RidgeMar 1 – May 25June 1 – Sept 10
WoodburyMar 1 – May 25June 1 – Sept 15
Woodland ParkMar 15 – June 15June 1 – Sept 10

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 swiss chard.