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Can You Grow Potato in Wisconsin?

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

Grows well here

Potatoes grow well here — plant after last frost and expect a harvest in 70-120 days.

Plant zones

3a–10b

Wisconsin last frost

mid-April

Wisconsin first frost

mid-October

Days to harvest

70–120 days

When to plant Potatoes in Wisconsin

Direct sow

Apr 15

Harvest

Jun 24 – Aug 13

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

About Potato

Potatoes are one of the most calorie-dense garden crops and can be grown in bags barrels or garden beds.

Plant certified seed potatoes after last frost. Hill soil up around stems as they grow to increase yield. Harvest after plants die back. Never eat green potatoes — solanine is toxic.

Full potato 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.