FrostCal

When to Plant Swiss Chard in South Dakota

In a typical South Dakota location, sow 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 Direct sow
Days to maturity 50–60 days

Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.

Swiss Chard Planting Dates by City

CityDirect sow
Sioux FallsApr 10 – Apr 24
Rapid CityApr 12 – Apr 26
AberdeenApr 17 – May 1
BrookingsApr 15 – Apr 29
WatertownApr 16 – Apr 30
MitchellApr 11 – Apr 25
YanktonApr 6 – Apr 20
PierreApr 15 – Apr 29
HuronApr 15 – Apr 29
SpearfishApr 21 – May 5
VermillionApr 12 – Apr 26
BrandonApr 10 – Apr 24
Box ElderApr 21 – May 5
Rapid ValleyApr 12 – Apr 26
Ellsworth Air Force BaseApr 21 – May 5
MadisonApr 14 – Apr 28
SturgisApr 17 – May 1
Belle FourcheApr 19 – May 3
HarrisburgApr 11 – Apr 25
TeaApr 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 Swiss chard in South Dakota?

In a typical South Dakota location, sow 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 Swiss chard take to grow?

Swiss Chard typically take 50–60 days from planting to harvest. Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.

Other Crops in South Dakota

When to plant Swiss chard in other states

Related Guides