When to plant Brussels sprouts in South Dakota

In spring, from Apr 1 – May 1 in Brandon to Apr 15 – June 1 in Watertown.

In fall, from June 1 – 30 in Aberdeen to June 15 – July 15 in Yankton.

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.

Brussels sprouts planting dates by place in South Dakota
PlaceSpringFall
AberdeenApr 15 – June 1June 1 – 30
Box ElderApr 15 – June 1June 1 – 30
BrandonApr 1 – May 1June 15 – July 15
BrookingsApr 15 – June 1June 1 – 30
HarrisburgApr 1 – May 1June 1 – 30
HuronApr 15 – June 1June 1 – 30
MitchellApr 1 – May 1June 15 – July 15
PierreApr 15 – June 1June 1 – 30
Rapid CityApr 1 – May 1June 15 – July 15
Sioux FallsApr 1 – May 1June 15 – July 15
SpearfishApr 15 – June 1June 1 – 30
VermillionApr 1 – May 1June 1 – 30
WatertownApr 15 – June 1June 1 – 30
YanktonApr 1 – May 1June 15 – July 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 brussels sprouts.