When to plant cauliflower in South Dakota

Cauliflower
Plant out in Sioux Falls
Apr 12–Apr 26

Across South Dakota the window opens between April 12 and April 24. 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
Apr 12–Apr 26
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 up to 2 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. When heads reach the size of an egg, tie the leaves over them to keep them white.

Cauliflower planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
Sioux FallsApr 12–Apr 26
Rapid CityApr 19–May 3
AberdeenApr 24–May 8
BrookingsApr 22–May 6
WatertownApr 23–May 7

Questions

When should I plant cauliflower in South Dakota?

In Sioux Falls, plant out from April 12 to April 26. Across South Dakota the window opens between April 12 and April 24, depending on the local last frost.

How is this date worked out?

Start seeds indoors 8–10 weeks before the last frost; plant out up to 2 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

Cauliflower in other states

Frost dates for every city in South Dakota