FrostCal

When to Plant Spinach in Delaware

In a typical Delaware location, sow outdoors Feb 24 – Mar 10. Across the state, the outdoor planting window starts as early as Feb 16 in Claymont and as late as Mar 8 in Hockessin. For a fall crop, plant around Sep 7 – Sep 21.

Method Direct sow
Days to maturity 40–50 days

Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Spinach Planting Dates by City

CityDirect sowFall planting
WilmingtonFeb 24 – Mar 10Sep 9 – Sep 23
DoverFeb 21 – Mar 7Sep 9 – Sep 23
NewarkFeb 24 – Mar 10Sep 7 – Sep 21
MiddletownFeb 24 – Mar 10Sep 7 – Sep 21
BearFeb 24 – Mar 10Sep 6 – Sep 20
BrooksideFeb 24 – Mar 10Sep 7 – Sep 21
GlasgowFeb 24 – Mar 10Sep 7 – Sep 21
HockessinMar 8 – Mar 22Aug 31 – Sep 14
SmyrnaFeb 21 – Mar 7Sep 9 – Sep 23
Pike Creek ValleyFeb 24 – Mar 10Sep 7 – Sep 21
MilfordFeb 28 – Mar 14Sep 4 – Sep 18
ClaymontFeb 16 – Mar 2Sep 21 – Oct 5
North StarFeb 24 – Mar 10Sep 7 – Sep 21
Pike CreekFeb 24 – Mar 10Sep 7 – Sep 21
Wilmington ManorFeb 24 – Mar 10Sep 6 – Sep 20
SeafordFeb 28 – Mar 14Sep 4 – Sep 18
GeorgetownFeb 21 – Mar 7Sep 11 – Sep 25
ElsmereFeb 24 – Mar 10Sep 9 – Sep 23
EdgemoorFeb 24 – Mar 10Sep 9 – Sep 23
New CastleFeb 24 – Mar 10Sep 6 – Sep 20

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 spinach in Delaware?

In a typical Delaware location, sow outdoors Feb 24 – Mar 10. Across the state, the outdoor planting window starts as early as Feb 16 in Claymont and as late as Mar 8 in Hockessin. For a fall crop, plant around Sep 7 – Sep 21.

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 spinach take to grow?

Spinach typically take 40–50 days from planting to harvest. Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Other Crops in Delaware

When to plant spinach in other states

Related Guides