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Can You Grow Sunflower in Rhode Island?
US · USDA Zone 6b · zones 6a, 6b
Sunflowers grow brilliantly here — they love the warm season and produce quickly.
Plant zones
Rhode Island last frost
Rhode Island first frost
Days to harvest
When to plant Sunflowers in Rhode Island
Direct sow
Harvest
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.
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.
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.