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Can You Grow Sunflower in Alberta?

Canada · Canadian Zone 4 · zones 2, 3, 4, 5

Grows well here

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

Plant zones

2a–11b

Alberta last frost

early May

Alberta first frost

early October

Days to harvest

60–80 days

When to plant Sunflowers in Alberta

Direct sow

May 1

Harvest

Jun 30 – Jul 20

Dates are approximate, based on Alberta'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 Alberta

Alberta has a dry continental climate with cold winters and warm summers. Calgary and Edmonton are Zone 4-5. Intense sunshine compensates for the short season. Chinook winds bring warm spells in winter.