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Can You Grow Sunflower in Kansas?

US · USDA Zone 6a · zones 5a, 5b, 6a, 6b

Grows well here

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

Plant zones

2a–11b

Kansas last frost

early April

Kansas first frost

late October

Days to harvest

60–80 days

When to plant Sunflowers in Kansas

Direct sow

Apr 1

Harvest

May 31 – Jun 20

Dates are approximate, based on Kansas'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 Kansas

Kansas spans from Zone 5a in the northwest to Zone 6b in the southeast. Hot summers and cold winters define the climate. Excellent for wheat, sunflowers, and warm-season vegetables.