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Can You Grow Sunflower in Rhode Island?

US · USDA Zone 6b · zones 6a, 6b

Grows well here

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

Plant zones

2a–11b

Rhode Island last frost

mid-March

Rhode Island first frost

mid-November

Days to harvest

60–80 days

When to plant Sunflowers in Rhode Island

Direct sow

Mar 15

Harvest

May 14 – Jun 3

Dates are approximate, based on Rhode Island'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 Rhode Island

Rhode Island has a humid continental climate moderated by the ocean. A small state with a single primary zone of 6b in most areas. Four seasons with a productive growing window.

See what grows well in Rhode Island →

Frequently asked questions

Can you grow Sunflower in Rhode Island?

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

What zone is Rhode Island?

Rhode Island spans USDA Zone 6b (6a, 6b).

When do you plant Sunflowers in Rhode Island?

Plant Sunflowers Mar 15, harvest May 14 – Jun 3.