When to Plant Sweet Potatoes in New Jersey

In a typical New Jersey location, plant outdoors Apr 29 – May 13. Across the state, the outdoor planting window starts as early as Apr 9 in Atlantic City and as late as May 14 in Manville.

Method Plant out (slips, crowns, or tubers)
Days to maturity 90–120 days

Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.

Sweet Potatoes Planting Dates by City

CityPlant outdoors
NewarkApr 18 – May 2
Jersey CityApr 18 – May 2
PatersonApr 29 – May 13
ElizabethApr 16 – Apr 30
EdisonApr 29 – May 13
TrentonMay 1 – May 15
Toms RiverMay 7 – May 21
CliftonApr 29 – May 13
CamdenApr 13 – Apr 27
BrickMay 7 – May 21
PassaicApr 17 – May 1
Cherry HillApr 29 – May 13
Union CityApr 13 – Apr 27
BayonneApr 16 – Apr 30
MiddletownMay 1 – May 15
East OrangeApr 18 – May 2
North BergenApr 13 – Apr 27
IrvingtonApr 18 – May 2
VinelandApr 25 – May 9
South VinelandMay 8 – May 22
WayneApr 28 – May 12
New BrunswickApr 29 – May 13
UnionApr 25 – May 9
PiscatawayApr 29 – May 13
JacksonMay 12 – May 26
LakewoodMay 7 – May 21
HobokenApr 13 – Apr 27
West New YorkApr 13 – Apr 27
Perth AmboyApr 29 – May 13
PlainfieldApr 25 – May 9

Showing the 30 most populous of 223 New Jersey cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all New Jersey cities.

Frequently Asked Questions

When should I plant sweet potatoes in New Jersey?

In a typical New Jersey location, plant outdoors Apr 29 – May 13. Across the state, the outdoor planting window starts as early as Apr 9 in Atlantic City and as late as May 14 in Manville.

When is the last frost in New Jersey?

The average last spring frost in New Jersey ranges from March 26 in Atlantic City to April 30 in Manville, based on NOAA 1991–2020 climate normals.

How long do sweet potatoes take to grow?

Sweet Potatoes typically take 90–120 days from planting to harvest. Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.

Other Crops in New Jersey

When to plant sweet potatoes in other states

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