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Can You Grow Tomato in Wisconsin?

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

Grows well here

Tomatoes grow well here — plant after your last frost date and expect harvest within 60-85 days.

Plant zones

4a–11b

Wisconsin last frost

mid-April

Wisconsin first frost

mid-October

Days to harvest

60–85 days

When to plant Tomatoes in Wisconsin

Start indoors

Mar 3

Transplant

Apr 15

Harvest

Jun 14 – Jul 9

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

About Tomato

One of the most popular garden vegetables — thrives in warm weather and full sun with consistent moisture.

Start seeds indoors 6-8 weeks before last frost. Plant deeply — tomatoes root along buried stems. Water consistently to prevent blossom end rot.

Full tomato 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 Tomato in Wisconsin?

Tomatoes grow well here — plant after your last frost date and expect harvest within 60-85 days.

What zone is Wisconsin?

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

When do you plant Tomatoes in Wisconsin?

Plant Tomatoes around mid-April (start indoors Mar 3), harvest Jun 14 – Jul 9.