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Can You Grow Tomatillo in Wisconsin?

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

Grows well here

Tomatillos grow vigorously in your zone — plant two and expect a massive harvest.

Plant zones

5a–10b

Wisconsin last frost

mid-April

Wisconsin first frost

mid-October

Days to harvest

75–100 days

When to plant Tomatillos in Wisconsin

Start indoors

Mar 3

Transplant

Apr 15

Harvest

Jun 29 – Jul 24

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

About Tomatillo

Tomatillos are the tangy green tomato-like fruit essential to Mexican salsa verde and Indian-inspired green chutneys. They grow in a papery husk and are extremely productive once established. Always plant at least two for pollination.

Must grow at least two plants for fruit set — single plants rarely produce. Start indoors 6-8 weeks before last frost. Support with stakes or cages. Harvest when husks split and fruit fills the husk. Prolific producer — expect more than you need.

Full tomatillo 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.