When to plant Broccoli and brussels sprouts in Delaware

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

For a fall crop, July 1 – Aug 15.

USDA gives brussels sprouts the same planting dates as broccoli.

Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Broccoli planting dates by place in Delaware
PlaceSpringFall
DoverMar 1 – 20July 1 – Aug 15
MiddletownMar 15 – Apr 15July 1 – Aug 15
MilfordMar 15 – Apr 15July 1 – Aug 15
NewarkMar 15 – Apr 15July 1 – Aug 15
SmyrnaMar 1 – 20July 1 – Aug 15
WilmingtonMar 15 – Apr 15July 1 – Aug 15

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. The full USDA table for broccoli.

Updated