When to plant Turnips in Delaware

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

In fall, Aug 1 – Sept 15.

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

Turnips planting dates by place in Delaware
PlaceSpringFall
DoverFeb 20 – Mar 20Aug 1 – Sept 15
MiddletownMar 1 – Apr 1Aug 1 – Sept 15
MilfordMar 1 – Apr 1Aug 1 – Sept 15
NewarkMar 1 – Apr 1Aug 1 – Sept 15
SmyrnaFeb 20 – Mar 20Aug 1 – Sept 15
WilmingtonMar 1 – Apr 1Aug 1 – Sept 15

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 turnips.