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Can You Grow Edamame (Soybean) in South Dakota?

US · USDA Zone 4b · zones 3b, 4a, 4b, 5a, 5b

Won't grow here

Edamame needs warm temperatures for good pod production and cannot thrive in your zone.

Plant zones

5a–10b

South Dakota last frost

mid-April

South Dakota first frost

mid-October

Days to harvest

70–95 days

When to plant Edamame (Soybean)s in South Dakota

Direct sow

Apr 15

Harvest

Jun 24 – Jul 19

Dates are approximate, based on South Dakota's average frost dates. Your exact yard may vary by microclimate.

About Edamame (Soybean)

Edamame is fresh soybean harvested in the green immature stage — the source of those restaurant appetizer pods. Protein-rich and easy to grow with a satisfying harvest. Also used in Indian cooking as a nutritious vegetable.

Direct sow after soil warms to 60°F — edamame does not transplant well. Sow 2 inches deep, 4 inches apart. Inoculate seeds with soybean inoculant for best yields. Harvest when pods are plump and bright green but before they turn yellow. Blanch and freeze excess.

Full edamame (soybean) growing guide →

Gardening in South Dakota

South Dakota has a continental climate with cold winters and warm summers. Eastern South Dakota is Zone 4b-5a; western South Dakota is colder. Short growing seasons.