Reviewed plant profile
Common Sunflower
Helianthus annuus · Asteraceae
An annual sunflower that supplies pollen and insects during bloom and seeds when mature heads are left standing.
Bloom and fruit
Bloom: Summer to fall
Fruit/seed: Seed heads mature late summer to fall
Growing conditions
Sun: Full sun
Water: Low to average once established
Zones: Annual across a wide range
Native-range check
Native to much of North America; local status varies
Verify local status and invasive restrictions before planting.
Bird relationships
Frequently asked questions
Is Common Sunflower native where I live?
Its documented native range is Native to much of North America; local status varies. Confirm county-level status with USDA PLANTS or a local native plant authority.
What birds can Common Sunflower support?
The reviewed relationships on this site include american goldfinch, house finch, mourning dove; actual use varies by region and season.