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Can You Grow Broccoli in Manitoba?

Canada · Canadian Zone 3 · zones 2, 3, 4

Grows well here

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

Plant zones

2a–9b

Manitoba last frost

mid-May

Manitoba first frost

late September

Days to harvest

60–80 days

When to plant Broccolis in Manitoba

Start indoors

Apr 3

Transplant

May 15

Harvest

Jul 14 – Aug 3

Dates are approximate, based on Manitoba'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 Manitoba

Manitoba has a cold continental climate. Winnipeg is Zone 3b-4a. Cold winters and hot summers make for an intense but short growing season. Excellent for sunflowers, canola, and cool-season vegetables.