When to plant broccoli in South Dakota

Plant out in Sioux Falls

Mar 29–Apr 12

Across South Dakota the window opens between March 29 and April 10. Find your city below; the dates follow each town's own average last frost.

Start indoors, Sioux Falls: Feb 15–Mar 1
Plant out, Sioux Falls: Mar 29–Apr 12
Fall planting, Sioux Falls: Jul 21–Aug 4
Last frost, Sioux Falls: Apr 26

Start seeds indoors 8–10 weeks before the last frost; plant out 2–4 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Broccoli grown for a fall harvest often tastes sweeter than spring broccoli. Light frost improves it.

Broccoli planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

Sioux FallsMar 29–Apr 12

Rapid CityApr 5–Apr 19

AberdeenApr 10–Apr 24

BrookingsApr 8–Apr 22

WatertownApr 9–Apr 23

Questions

When should I plant broccoli in South Dakota?

In Sioux Falls, plant out from March 29 to April 12. Across South Dakota the window opens between March 29 and April 10, depending on the local last frost.

How is this date worked out?

Start seeds indoors 8–10 weeks before the last frost; plant out 2–4 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for South Dakota

Broccoli in other states

Frost dates for every city in South Dakota