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What Grows in Manitowoc, WI?

Manitowoc, Wisconsin is in USDA Hardiness Zone 5b.

Zone

USDA 5b

Last frost

early April

First frost

late October

Frost-free days

197
Quick Answer

Manitowoc is in USDA Zone 5b with about 197 frost-free days.

What to plant, and when

Timing by your frost dates — last frost early April, first frost late October.

🌱 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 Manitowoc

USDA Zone 5b

Frequently asked questions

What hardiness zone is Manitowoc, WI in?

Manitowoc, 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 Manitowoc?

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

What grows well in Manitowoc?

Plenty — Manitowoc'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 Manitowoc's growing season?

Manitowoc typically has around 197 frost-free days per year (roughly early April to late October). 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 Manitowoc?

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 Manitowoc.

Can I grow vegetables in containers in Manitowoc?

Yes — Manitowoc'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 Manitowoc?

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