When to Plant Potatoes in Delaware

In a typical Delaware location, sow outdoors Mar 10 – Mar 24. Across the state, the outdoor planting window starts as early as Mar 2 in Claymont and as late as Mar 22 in Hockessin.

Method Direct sow
Days to maturity 70–120 days

Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated.

Potatoes Planting Dates by City

CityDirect sow
WilmingtonMar 10 – Mar 24
DoverMar 7 – Mar 21
NewarkMar 10 – Mar 24
MiddletownMar 10 – Mar 24
BearMar 10 – Mar 24
BrooksideMar 10 – Mar 24
GlasgowMar 10 – Mar 24
HockessinMar 22 – Apr 5
SmyrnaMar 7 – Mar 21
Pike Creek ValleyMar 10 – Mar 24
MilfordMar 14 – Mar 28
ClaymontMar 2 – Mar 16
North StarMar 10 – Mar 24
Pike CreekMar 10 – Mar 24
Wilmington ManorMar 10 – Mar 24
SeafordMar 14 – Mar 28
GeorgetownMar 7 – Mar 21
ElsmereMar 10 – Mar 24
EdgemoorMar 10 – Mar 24
New CastleMar 10 – Mar 24

Showing the 20 most populous of 20 Delaware cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Delaware cities.

Frequently Asked Questions

When should I plant potatoes in Delaware?

In a typical Delaware location, sow outdoors Mar 10 – Mar 24. Across the state, the outdoor planting window starts as early as Mar 2 in Claymont and as late as Mar 22 in Hockessin.

When is the last frost in Delaware?

The average last spring frost in Delaware ranges from March 30 in Claymont to April 19 in Hockessin, based on NOAA 1991–2020 climate normals.

How long do potatoes take to grow?

Potatoes typically take 70–120 days from planting to harvest. Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated.

Other Crops in Delaware

When to plant potatoes in other states

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