When to Plant in Milwaukee, WI

Milwaukee sits on Lake Michigan's western shore — Zone 5b/6a with a typical last frost around April 25. The lake moderates temperatures, keeping Milwaukee slightly milder than inland Wisconsin but also delaying spring warming.

Milwaukee gardeners work with roughly 160–165 frost-free days. The city's community garden network supports urban growing across neighborhoods, and the lake's moderating effect extends the fall growing season into November.

This month in Milwaukee: November 2026

Milwaukee's first frost usually comes around October 19, so by November the garden is down to the cold-hardy crops. Kale, Brussels sprouts, and leeks can stay in for weeks yet; near the lake they last a little longer than inland.

The first week of November is the last good window for garlic. After it's planted, wait until the top inch of soil starts to freeze, then cover the bed with four to six inches of straw. That keeps the ground from freezing and thawing all winter and pushing the cloves up.

Dig the carrots and beets before the ground locks up, and store them cold and damp, in a bin of moist sand or a bag in the fridge.

Updated November 3, 2026

What to plant now in Milwaukee

Spring: Cold-hardy crops in April; warm-season crops after April 25 last frost.
Summer: Full summer garden. Lake breezes moderate heat.
Fall: Broccoli, kale, lettuce, and carrots for October–November harvest.
Winter: Garlic planted in fall. Indoor seed starting from late March.

In Milwaukee (177 frost-free days, a moderate season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

Month by month in Milwaukee

Month	What to do
January	Order seeds. Plan garden layout.
February	Start onion seeds indoors.
March	Start tomato and pepper seeds indoors (8–10 weeks before May 7).
April	Direct sow peas and spinach. Transplant cold-hardy seedlings.
May	After April 25 — transplant warm-season crops.
June	Full summer garden.
July	Harvest and maintain.
August	Plant fall broccoli, kale, and lettuce.
September	Fall planting continues.
October	First frost mid-October. Plant garlic.
November	Cold-hardy greens with protection.
December	Rest season.

Frost dates for Milwaukee ZIP codes

ZIP	Last spring frost (50%)	First fall frost (50%)	Zone
53215	April 25	October 19	6a

FAQ

When is the last frost date in Milwaukee, WI?

Milwaukee's average last frost date is around April 25. Lake Michigan's influence can sometimes mean frost risk persists into mid-May.

How does Lake Michigan affect Milwaukee gardening?

The lake keeps Milwaukee slightly milder than inland Wisconsin and extends the fall season. But it also delays spring warming — don't rush planting just because air temperatures look warm.

What grows best in Milwaukee?

Cool-season crops in spring and fall: peas, lettuce, spinach, kale, and broccoli. Short-season tomatoes, peppers, and squash produce well through summer.

How does Plan My Garden help Milwaukee gardeners?

Enter your Milwaukee zip code for exact planting dates calibrated to Wisconsin's lake-influenced climate.