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Can You Grow Rosemary in Wisconsin?

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

Grow indoors

Rosemary grows beautifully in containers that can be brought indoors before hard frost.

Plant zones

6a–11b

Wisconsin last frost

mid-April

Wisconsin first frost

mid-October

Days to harvest

Perennial

About Rosemary

Rosemary is a Mediterranean herb that thrives in poor well-drained soil and full sun once established.

Plant in the sunniest most well-drained spot. Excellent in containers — bring indoors in winter in cold zones. Drought-tolerant once established. Avoid overwatering.

Full rosemary 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 Rosemary in Wisconsin?

Rosemary grows beautifully in containers that can be brought indoors before hard frost.

What zone is Wisconsin?

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

When do you plant Rosemaries in Wisconsin?

See the planting guide for Rosemary — timing depends on your exact frost date.