Cool-Season Vegetable

When to Plant Kale in South Dakota

The toughest green in the garden. Kale laughs at frost and actually tastes sweeter after a cold snap.

The Short Answer

Kale are cold-tolerant and do well in South Dakota's varied climate. You can direct sow 4 weeks before your last frost — that's as early as May 10 - May 30 in Western South Dakota. South Dakota gardeners can also plant a fall crop. Prairie soils in east — excellent fertility. Thin, alkaline soils in Black Hills. Clay in some...

South Dakota Frost Dates

Your planting dates depend on which part of South Dakota you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Western South Dakota 3b, 4a, 4b May 10 - May 30 Sep 10 - Sep 25
Eastern South Dakota 4a, 4b, 5a May 5 - May 20 Sep 20 - Oct 5

Kale Planting Schedule for South Dakota

Western South Dakota (Zones 3b, 4a, 4b)

Average last frost: May 10 - May 30 · Average first frost: Sep 10 - Sep 25

Start Seeds Indoors
4 wks before frost
Transplant Outside
3 wks before frost
Direct Sow
4 wks before frost
Fall Planting
8 wks before first frost

Eastern South Dakota (Zones 4a, 4b, 5a)

Average last frost: May 5 - May 20 · Average first frost: Sep 20 - Oct 5

Start Seeds Indoors
4 wks before frost
Transplant Outside
3 wks before frost
Direct Sow
4 wks before frost
Fall Planting
8 wks before first frost

Growing Kale in South Dakota

Kale in South Dakota's Climate

Kale is your climate's superstar. It thrives in cool weather, survives hard frosts, and actually improves in flavor after cold exposure. In northern zones, kale produces from April through December — one of the longest harvests of any crop. Snow-covered kale harvested in December is genuinely sweeter than summer kale. If you grow nothing else in a cold climate, grow kale.

Soil Considerations for South Dakota

Prairie soils in east — excellent fertility. Thin, alkaline soils in Black Hills. Clay in some areas.

South Dakota Climate & Growing Season

Cold, windy climate. Short growing season. Warm summers with long days help compensate. Wind protection important. Kale can handle frost well, which is an advantage in South Dakota's climate. You can push planting dates earlier in spring and extend into fall.

Growing season length varies across South Dakota: Western South Dakota (3b, 4a, 4b) has a last frost around May 10 - May 30, while Eastern South Dakota (4a, 4b, 5a) sees frost end around May 5 - May 20. This difference matters for kale — adjust your planting dates to match your specific region.

Growing Tips

Harvest outer leaves first, leaving the center to keep growing. Can survive temperatures down to 10°F with mulch protection.

Companion Planting

Plant kale alongside these companions for better growth:

Beets Celery Herbs Onions

Keep kale away from:

Strawberries Tomatoes

The Bottom Line

Kale can be grown successfully across South Dakota, but your exact planting dates depend on which region you're in. Western South Dakota gardeners should plan around a May 10 - May 30 last frost, while those in Eastern South Dakota can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Kale Growing Guide National planting guide with all states South Dakota Planting Calendar All plants for South Dakota Kale in Alabama Alabama planting dates Kale in Alaska Alaska planting dates Kale in Arizona Arizona planting dates Kale in Arkansas Arkansas planting dates
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

Ready to Start Planting?

Enter your zip code and pick your plant. We'll tell you exactly when to plant, start seeds, and harvest — based on where you live.

Find Your Planting Dates