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Can You Grow Broccoli in New Brunswick?

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

Grows well here

Broccoli grows well here as a spring or fall crop — time planting to avoid peak summer heat.

Plant zones

2a–9b

New Brunswick last frost

mid-April

New Brunswick first frost

mid-October

Days to harvest

60–80 days

When to plant Broccolis in New Brunswick

Start indoors

Mar 3

Transplant

Apr 15

Harvest

Jun 14 – Jul 4

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

About Broccoli

Broccoli is a cool-season crop that produces best in spring and fall when temperatures are moderate.

Start indoors 6-8 weeks before last frost for spring planting or direct sow in midsummer for fall. Harvest the main head before it flowers — side shoots continue producing after.

Full broccoli 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 Broccoli in New Brunswick?

Broccoli grows well here as a spring or fall crop — time planting to avoid peak summer heat.

What zone is New Brunswick?

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

When do you plant Broccolis in New Brunswick?

Plant Broccolis around mid-April (start indoors Mar 3), harvest Jun 14 – Jul 4.