When to plant Spinach in Delaware

In spring, from Feb 1 – Mar 20 in Dover to Feb 15 – Apr 1 in Wilmington.

In fall, Sept 1 – Oct 1.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Spinach planting dates by place in Delaware
PlaceSpringFall
DoverFeb 1 – Mar 20Sept 1 – Oct 1
MiddletownFeb 15 – Apr 1Sept 1 – Oct 1
MilfordFeb 15 – Apr 1Sept 1 – Oct 1
NewarkFeb 15 – Apr 1Sept 1 – Oct 1
SmyrnaFeb 1 – Mar 20Sept 1 – Oct 1
WilmingtonFeb 15 – Apr 1Sept 1 – Oct 1

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for spinach.