How to grow Helianthus

Helianthus

These estimates for how long Helianthus takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Days to Germination How long does it take Helianthus to germinate?: days
Average days | Min days | Max days (0)
Days to Transplant How long until I can plant out Helianthus?: + days
Average days | Min days | Max days (0)
Days to Maturity How long until Helianthus is ready for harvest / bloom?: + 454 days
Average 454 days | Min 354 days | Max 530 days (5)
Total Growing Days How long does it take to grow Helianthus?: = days

Our when to plant Helianthus estimates are relative to your last frost date.

When to sow The number of days to sow Helianthus before or after your last frost date.: 14 days before Last Frost Date

The botanical epithet is from the Latin helianthus meaning “sun-flower”

Perennial sunflower, Sunflowers

Helianthus hybrid, Helianthus x