When to Plant Brussels Sprouts in South Dakota

In a typical South Dakota location, start seeds indoors Mar 18 – Apr 1, then transplant outdoors Apr 15 – Apr 29. Across the state, the outdoor planting window starts as early as Apr 5 in Tea and as late as Apr 21 in Ellsworth Air Force Base.

Method Start indoors, then transplant
Days to maturity 90–110 days

Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.

Brussels Sprouts Planting Dates by City

CityStart indoorsTransplant
Sioux FallsMar 13 – Mar 27Apr 10 – Apr 24
Rapid CityMar 15 – Mar 29Apr 12 – Apr 26
AberdeenMar 20 – Apr 3Apr 17 – May 1
BrookingsMar 18 – Apr 1Apr 15 – Apr 29
WatertownMar 19 – Apr 2Apr 16 – Apr 30
MitchellMar 14 – Mar 28Apr 11 – Apr 25
YanktonMar 9 – Mar 23Apr 6 – Apr 20
PierreMar 18 – Apr 1Apr 15 – Apr 29
HuronMar 18 – Apr 1Apr 15 – Apr 29
SpearfishMar 24 – Apr 7Apr 21 – May 5
VermillionMar 15 – Mar 29Apr 12 – Apr 26
BrandonMar 13 – Mar 27Apr 10 – Apr 24
Box ElderMar 24 – Apr 7Apr 21 – May 5
Rapid ValleyMar 15 – Mar 29Apr 12 – Apr 26
Ellsworth Air Force BaseMar 24 – Apr 7Apr 21 – May 5
MadisonMar 17 – Mar 31Apr 14 – Apr 28
SturgisMar 20 – Apr 3Apr 17 – May 1
Belle FourcheMar 22 – Apr 5Apr 19 – May 3
HarrisburgMar 14 – Mar 28Apr 11 – Apr 25
TeaMar 8 – Mar 22Apr 5 – Apr 19

Showing the 20 most populous of 20 South Dakota cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all South Dakota cities.

Frequently Asked Questions

When should I plant Brussels sprouts in South Dakota?

In a typical South Dakota location, start seeds indoors Mar 18 – Apr 1, then transplant outdoors Apr 15 – Apr 29. Across the state, the outdoor planting window starts as early as Apr 5 in Tea and as late as Apr 21 in Ellsworth Air Force Base.

When is the last frost in South Dakota?

The average last spring frost in South Dakota ranges from April 26 in Tea to May 12 in Ellsworth Air Force Base, based on NOAA 1991–2020 climate normals.

How long do Brussels sprouts take to grow?

Brussels Sprouts typically take 90–110 days from planting to harvest. Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.

Other Crops in South Dakota

When to plant Brussels sprouts in other states

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