When to plant radishes in South Dakota

Radishes
Sow outdoors in Sioux Falls
Mar 22–May 3

Across South Dakota the window opens between March 22 and April 3. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Sioux Falls
Mar 22–May 3
Fall planting, Sioux Falls
Sep 1–Sep 15
Last frost, Sioux Falls
Apr 26

Sow outdoors from 5 weeks before to 1 weeks after the last frost; sow again for fall 4–6 weeks before the first frost. The fastest crop in the garden. Sow a short row every week in spring and fall.

Radishes planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
Sioux FallsMar 22–May 3
Rapid CityMar 29–May 10
AberdeenApr 3–May 15
BrookingsApr 1–May 13
WatertownApr 2–May 14

Questions

When should I plant radishes in South Dakota?

In Sioux Falls, sow outdoors from March 22 to May 3. Across South Dakota the window opens between March 22 and April 3, depending on the local last frost.

How is this date worked out?

Sow outdoors from 5 weeks before to 1 weeks after the last frost; sow again for fall 4–6 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for South Dakota

Radishes in other states

Frost dates for every city in South Dakota