Root Vegetable

When to Plant Beets in South Dakota

Two crops in one — eat the roots and the greens. Beets are cold-hardy and surprisingly easy.

The Short Answer

In South Dakota, soil conditions are an important factor for beets. Prairie soils in east — excellent fertility. Thin, alkaline soils in Black Hills. Clay in some areas. Direct sow 3 weeks before your last frost date. Beets can also be planted in fall, 8 weeks before your first frost.

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

Beets 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

Direct Sow

3 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

Direct Sow

3 wks before frost

Fall Planting

8 wks before first frost

Growing Beets in South Dakota

Beets in South Dakota's Climate

Beets grow beautifully in cold climates. Direct sow from mid-April — they germinate in soil as cool as 40°F. Fall beets from a July-August sowing taste sweeter after frost exposure. They tolerate clay soil better than carrots, making them the more practical root crop for gardeners without raised beds. Beets store for months in a root cellar.

Soil Considerations for South Dakota

Prairie soils in east — excellent fertility. Thin, alkaline soils in Black Hills. Clay in some areas. Loose, well-drained soil is especially important for beets since the edible portion grows underground. If your soil is heavy clay, consider raised beds.

South Dakota Climate & Growing Season

Cold, windy climate. Short growing season. Warm summers with long days help compensate. Wind protection important. Beets 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 beets — but beets handle frost well, so the timing difference is less critical.

Growing Tips

Each beet 'seed' is actually a cluster — thin to one plant after sprouting. Harvest at 1.5-3 inches for tender roots.

Companion Planting

Plant beets alongside these companions for better growth:

Onions Lettuce Cabbage Broccoli

Keep beets away from:

Pole Beans

The Bottom Line

Beets 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.

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