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What Grows in Des Moines, IA?

Des Moines in the heart of Iowa has world-class prairie soils and a productive growing season for vegetables.

Zone

USDA 5a

Last frost

April 25

First frost

October 19

Frost-free days

150
Quick Answer

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

Planting tips for Des Moines

Rich prairie soils. Plant warm crops after May 10. Excellent conditions for most vegetables.

What to plant, and when

Timing by your frost dates — last frost April 25, first frost October 19.

🌱 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 Des Moines

USDA Zone 5a

Frequently asked questions

What hardiness zone is Des Moines, IA in?

Des Moines, IA is in USDA Hardiness Zone 5a. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.

When is the last frost in Des Moines?

The average last spring frost in Des Moines is around April 25, and the first fall frost is typically October 19. Plan to move tender plants outside after April 25 and have them harvested (or protected) before October 19.

What grows well in Des Moines?

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

How long is Des Moines's growing season?

Des Moines typically has around 150 frost-free days per year (roughly April 25 to October 19). 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 Des Moines?

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 Des Moines.

Can I grow vegetables in containers in Des Moines?

Yes — Des Moines'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 Des Moines?

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.