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Can You Grow Swiss Chard in Wisconsin?

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

Grows well here

Swiss chard grows excellently here — cold-tolerant and productive continuously through the season.

Plant zones

2a–10b

Wisconsin last frost

mid-April

Wisconsin first frost

mid-October

Days to harvest

50–60 days

When to plant Swiss Chard in Wisconsin

Direct sow

Apr 15

Harvest

Jun 4 – Jun 14

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

About Swiss Chard

Swiss chard is one of the most productive and cold-tolerant leafy greens — beautiful and nutritious.

Direct sow in spring or fall. Harvest outer leaves continuously. Survives light frost. More heat-tolerant than spinach. Excellent for containers and indoor growing under lights.

Full swiss chard growing guide →

Gardening in Wisconsin

Wisconsin has a cold humid continental climate. Milwaukee is Zone 5b-6a; northern Wisconsin is Zone 4a-5a. Cold winters but warm productive summers. Known for dairy farming and cold-hardy crops.