FrostCal

When to Plant Cabbage in Delaware

In a typical Delaware location, start seeds indoors Feb 17 – Mar 3, then transplant 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. For a fall crop, plant around Aug 24 – Sep 7.

Method Start indoors, then transplant
Days to maturity 60–100 days

Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.

Cabbage Planting Dates by City

CityStart indoorsTransplantFall planting
WilmingtonFeb 17 – Mar 3Mar 10 – Mar 24Aug 26 – Sep 9
DoverFeb 14 – Feb 28Mar 7 – Mar 21Aug 26 – Sep 9
NewarkFeb 17 – Mar 3Mar 10 – Mar 24Aug 24 – Sep 7
MiddletownFeb 17 – Mar 3Mar 10 – Mar 24Aug 24 – Sep 7
BearFeb 17 – Mar 3Mar 10 – Mar 24Aug 23 – Sep 6
BrooksideFeb 17 – Mar 3Mar 10 – Mar 24Aug 24 – Sep 7
GlasgowFeb 17 – Mar 3Mar 10 – Mar 24Aug 24 – Sep 7
HockessinMar 1 – Mar 15Mar 22 – Apr 5Aug 17 – Aug 31
SmyrnaFeb 14 – Feb 28Mar 7 – Mar 21Aug 26 – Sep 9
Pike Creek ValleyFeb 17 – Mar 3Mar 10 – Mar 24Aug 24 – Sep 7
MilfordFeb 21 – Mar 7Mar 14 – Mar 28Aug 21 – Sep 4
ClaymontFeb 9 – Feb 23Mar 2 – Mar 16Sep 7 – Sep 21
North StarFeb 17 – Mar 3Mar 10 – Mar 24Aug 24 – Sep 7
Pike CreekFeb 17 – Mar 3Mar 10 – Mar 24Aug 24 – Sep 7
Wilmington ManorFeb 17 – Mar 3Mar 10 – Mar 24Aug 23 – Sep 6
SeafordFeb 21 – Mar 7Mar 14 – Mar 28Aug 21 – Sep 4
GeorgetownFeb 14 – Feb 28Mar 7 – Mar 21Aug 28 – Sep 11
ElsmereFeb 17 – Mar 3Mar 10 – Mar 24Aug 26 – Sep 9
EdgemoorFeb 17 – Mar 3Mar 10 – Mar 24Aug 26 – Sep 9
New CastleFeb 17 – Mar 3Mar 10 – Mar 24Aug 23 – Sep 6

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 cabbage in Delaware?

In a typical Delaware location, start seeds indoors Feb 17 – Mar 3, then transplant 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. For a fall crop, plant around Aug 24 – Sep 7.

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 cabbage take to grow?

Cabbage typically take 60–100 days from planting to harvest. Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.

Other Crops in Delaware

When to plant cabbage in other states

Related Guides