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Can You Grow Scallion in Wisconsin?

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

Grows well here

Scallions grow well here year-round in most zones — they're cold-hardy and fast.

Plant zones

2a–11b

Wisconsin last frost

mid-April

Wisconsin first frost

mid-October

Days to harvest

25–45 days

When to plant Scallions in Wisconsin

Direct sow

Apr 15

Harvest

May 10 – May 30

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

About Scallion

Scallions (green onions) are the fastest, easiest crop in any garden — sow a pinch and cut fresh in as little as three weeks. Grows in almost any sunny spot or container.

Direct sow thickly and thin as you harvest, or regrow from kitchen scraps in a glass of water. Succession-plant every 2-3 weeks for a continuous supply.

Full scallion 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.