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Can You Grow Zucchini in Wisconsin?

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

Grows well here

Zucchini thrives here and is one of the easiest most productive crops you can grow.

Plant zones

4a–11b

Wisconsin last frost

mid-April

Wisconsin first frost

mid-October

Days to harvest

45–60 days

When to plant Zucchinis in Wisconsin

Start indoors

Mar 25

Transplant

Apr 15

Harvest

May 30 – Jun 14

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

About Zucchini

One of the most productive garden plants — a single zucchini plant can yield more than a family can eat at peak season.

Direct sow after last frost. Give each plant 2-4 sq metres of space. Water at the base to prevent fungal disease. Pick frequently to keep the plant producing.

Full zucchini 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.

See what grows well in Wisconsin →

Frequently asked questions

Can you grow Zucchini in Wisconsin?

Zucchini thrives here and is one of the easiest most productive crops you can grow.

What zone is Wisconsin?

Wisconsin spans USDA Zone 5a (3b, 4a, 4b, 5a, 5b).

When do you plant Zucchinis in Wisconsin?

Plant Zucchinis around mid-April (start indoors Mar 25), harvest May 30 – Jun 14.