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A picture of a Sunflower

Sunflower

Helianthus mollis

Full Sun
Moderate watering
Half-hardy

H3

RHS hardiness

-5°C

Minimum temperature

Expected size

Height
Spread

Max

Min

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Sunflower

A photo of Sunflower
A photo of Sunflower

Sunflower Overview

They will produce tall showy-flowering annuals and perennials which are grown for their large daisy-like, usually golden-yellow blooms, which are on prolonged display from mid summer to mid autumn. They have hairy often sticky leaves and tall, rough stems. May be invasive. Fully hardy. Prefers sun and well drained soil. May need staking. Propagate by seed or division in autumn or spring.

Common problems with Sunflower

How to propagate Sunflower

Division

Seed or division in autumn or spring.

Seed

Other uses of Sunflower

Grown for their large, daisy-like usually yellow flower heads.