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Can You Grow Sunflower in Newfoundland and Labrador?

Canada · Canadian Zone 4 · zones 1, 2, 3, 4, 5

Grows well here

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

Plant zones

2a–11b

Newfoundland and Labrador last frost

early May

Newfoundland and Labrador first frost

early October

Days to harvest

60–80 days

When to plant Sunflowers in Newfoundland and Labrador

Direct sow

May 1

Harvest

Jun 30 – Jul 20

Dates are approximate, based on Newfoundland and Labrador'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 Newfoundland and Labrador

Newfoundland has a subarctic to cool maritime climate. The island is Zone 4b-5b near the coast; Labrador is Zone 1-3. Short growing seasons but excellent for cold-hardy crops, root vegetables, and berries.