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Can You Grow Sunflower in Manitoba?

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

Grows well here

Sunflowers grow brilliantly here — they love the warm season and produce quickly.

Plant zones

2a–11b

Manitoba last frost

mid-May

Manitoba first frost

late September

Days to harvest

60–80 days

When to plant Sunflowers in Manitoba

Direct sow

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 Sunflower

Sunflowers are fast-growing cheerful and attract pollinators — some varieties produce edible seeds.

Direct sow after last frost in the sunniest spot available. No transplanting needed. Giant varieties need staking. Harvest seed heads when the back turns brown and seeds are firm.

Full sunflower 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.