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Can You Grow Brussels Sprouts in New Brunswick?

Canada · Canadian Zone 5 · zones 4, 5, 6

Grows well here

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

Plant zones

3a–9a

New Brunswick last frost

mid-April

New Brunswick first frost

mid-October

Days to harvest

90–180 days

When to plant Brussels Sproutses in New Brunswick

Start indoors

Feb 17

Transplant

Apr 15

Harvest

Jul 14 – Oct 12

Dates are approximate, based on New Brunswick'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 New Brunswick

New Brunswick has a maritime continental climate. The Saint John River Valley is Zone 5b-6a. Four distinct seasons with a productive 5-6 month growing season. Known for potatoes, blueberries, and fiddleheads.

See what grows well in New Brunswick →

Frequently asked questions

Can you grow Brussels Sprouts in New Brunswick?

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

What zone is New Brunswick?

New Brunswick spans Canadian Zone 5 (4, 5, 6).

When do you plant Brussels Sproutses in New Brunswick?

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