When to plant potatoes in Delaware

Potatoes
Sow outdoors in Wilmington
Mar 10–Mar 24

Across Delaware the window opens between March 7 and March 10. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Wilmington
Mar 10–Mar 24
Last frost, Wilmington
Apr 7

Sow outdoors 2–4 weeks before the last frost. Plant seed potatoes once the soil reaches about 45°F. Shoots that come up before the last frost can be covered with soil.

Potatoes planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
WilmingtonMar 10–Mar 24
DoverMar 7–Mar 21
NewarkMar 10–Mar 24
MiddletownMar 10–Mar 24
BearMar 10–Mar 24

Questions

When should I plant potatoes in Delaware?

In Wilmington, sow outdoors from March 10 to March 24. Across Delaware the window opens between March 7 and March 10, depending on the local last frost.

How is this date worked out?

Sow outdoors 2–4 weeks before the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Delaware

Potatoes in other states

Frost dates for every city in Delaware