When to plant spinach in South Dakota

Spinach
Sow outdoors in Sioux Falls
Mar 15–Apr 5

Across South Dakota the window opens between March 15 and March 27. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Sioux Falls
Mar 15–Apr 5
Fall planting, Sioux Falls
Aug 18–Sep 1
Last frost, Sioux Falls
Apr 26

Sow outdoors 3–6 weeks before the last frost; sow again for fall 6–8 weeks before the first frost. Spinach bolts as days lengthen. Early spring and fall are its seasons.

Spinach planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
Sioux FallsMar 15–Apr 5
Rapid CityMar 22–Apr 12
AberdeenMar 27–Apr 17
BrookingsMar 25–Apr 15
WatertownMar 26–Apr 16

Questions

When should I plant spinach in South Dakota?

In Sioux Falls, sow outdoors from March 15 to April 5. Across South Dakota the window opens between March 15 and March 27, depending on the local last frost.

How is this date worked out?

Sow outdoors 3–6 weeks before the last frost; sow again for fall 6–8 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for South Dakota

Spinach in other states

Frost dates for every city in South Dakota