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Can You Grow Brussels Sprouts in Iowa?

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

Grows well here

Brussels sprouts grow here with a long enough frost-free season — frost actually improves them.

Plant zones

3a–9a

Iowa last frost

mid-April

Iowa first frost

mid-October

Days to harvest

90–180 days

When to plant Brussels Sproutses in Iowa

Start indoors

Feb 17

Transplant

Apr 15

Harvest

Jul 14 – Oct 12

Dates are approximate, based on Iowa's average frost dates. Your exact yard may vary by microclimate.

About Brussels Sprouts

Brussels sprouts have a long season but reward patience — sprouts actually improve after a light frost.

Start indoors 8 weeks before last frost. Plant in the sunniest spot. Needs a long season — start early. Frost improves flavour. Stake in exposed positions against autumn winds.

Full brussels sprouts growing guide →

Gardening in Iowa

Iowa has a humid continental climate with cold winters and warm summers. Most of the state is Zone 5a-5b. Excellent for cool-season crops and hardy fruits.

See what grows well in Iowa →

Frequently asked questions

Can you grow Brussels Sprouts in Iowa?

Brussels sprouts grow here with a long enough frost-free season — frost actually improves them.

What zone is Iowa?

Iowa spans USDA Zone 5a (4a, 4b, 5a, 5b).

When do you plant Brussels Sproutses in Iowa?

Plant Brussels Sproutses around mid-April (start indoors Feb 17), harvest Jul 14 – Oct 12.