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What Grows in Milwaukee, WI?

Milwaukee on Lake Michigan has lake-moderated conditions creating a productive growing season.

Zone

USDA 5b

Last frost

April 25

First frost

October 22

Frost-free days

150
Quick Answer

Milwaukee is in USDA Zone 5b with about 150 frost-free days, and you can grow tomatoes, peppers, beans, corn, and more here.

Planting tips for Milwaukee

Lake Michigan moderation. Plant warm crops May 5. Strong community garden scene.

What to plant, and when

Timing by your frost dates — last frost April 25, first frost October 22.

🌱 Start indoors (pre-frost)

Tomato, Cherry Tomato, Bell Pepper, Chili Pepper, Cucumber, Zucchini, Eggplant, Pumpkin

❄️ Direct-sow early (cool season)

Lettuce, Spinach, Kale, Broccoli, Carrot, Radish, Beets, Onion

☀️ Plant after last frost

Green Beans, Potato, Sweet Potato, Corn, Microgreens, Rhubarb

🍂 Plant in fall

Garlic

What grows well in Milwaukee

USDA Zone 5b

Frequently asked questions

What hardiness zone is Milwaukee, WI in?

Milwaukee, WI is in USDA Hardiness Zone 5b. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.

When is the last frost in Milwaukee?

The average last spring frost in Milwaukee is around April 25, and the first fall frost is typically October 22. Plan to move tender plants outside after April 25 and have them harvested (or protected) before October 22.

What grows well in Milwaukee?

Plenty — Milwaukee's USDA Zone 5b climate supports 30+ crops. Some of the easiest and most reliable here are Cherry Tomato, Chili Pepper, Cucumber.

How long is Milwaukee's growing season?

Milwaukee typically has around 150 frost-free days per year (roughly April 25 to October 22). That's a full season — plenty of time for most annual vegetables plus a succession or fall crop of cool-season greens.

What should I plant first in Milwaukee?

Go with fast-maturing crops to get a quick win while the season is short: Microgreens, Arugula, Radish are among the quickest from seed to harvest in Milwaukee.

Can I grow vegetables in containers in Milwaukee?

Yes — Milwaukee's climate is container-friendly for the right crops. Tomato, Cherry Tomato, Bell Pepper all do well in pots, which also lets you start them a little earlier and move them in on cold nights.

When should I start seeds indoors in Milwaukee?

For warm-season crops like Tomato, Cherry Tomato, Bell Pepper, start seeds indoors 6–8 weeks before your last frost (around April 25), then transplant after the danger of frost has passed.