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Can You Grow Sunflower in Massachusetts?

US · USDA Zone 6a · zones 5b, 6a, 6b

Grows well here

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

Plant zones

2a–11b

Massachusetts last frost

early April

Massachusetts first frost

late October

Days to harvest

60–80 days

When to plant Sunflowers in Massachusetts

Direct sow

Apr 1

Harvest

May 31 – Jun 20

Dates are approximate, based on Massachusetts'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 Massachusetts

Massachusetts has a humid continental climate. Boston and coastal areas are Zone 6a-6b; inland areas are colder at Zone 5b-6a. Four seasons with a 5-6 month growing window.