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Can You Grow Watercress in Wisconsin?

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

Grows well here

Watercress grows well here if you keep its roots constantly wet — ideal for a shade container garden.

Plant zones

2a–9b

Wisconsin last frost

mid-April

Wisconsin first frost

mid-October

Days to harvest

30–60 days

When to plant Watercresses in Wisconsin

Direct sow

Apr 15

Harvest

May 15 – Jun 14

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

About Watercress

Watercress is a peppery, nutrient-dense aquatic green that loves cool, running water and partial shade — an easy container crop if you keep it constantly wet.

Grow in a container of rich soil kept standing in water, refreshed regularly. Harvest outer leaves often. Prefers cool shade to hot sun.

Full watercress 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.