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Helianthus × multiflorus

Sunflower

Garden

Wishlist

  • Helianthus × multiflorus | Copyright Greenplantswap 2019
  • Helianthus × multiflorus | Copyright Greenplantswap 2019

Features

  • BloomsAugust to October
  • Height1m to 2.2m
  • Spread0.5m to 1m
  • Growth HabitUpright rosette
  • Flower ColourYellow, brown centres
  • Leaf ColourDark green

Description

Helianthus × multiflorus (Sunflower). This is a big, hardy and carefree perennial that will shower you with blooms right into late summer, when most other blooms in the garden have faded. Growth will be more lush if watered in hot spells. Can grow to 6 feet. Makes a good quality cut flower.

Characteristics

Perennial, Shrub or Herbaceous

Origin

North America

Interest and use

Border, cutting bed

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  • Helianthus × multiflorus | Copyright Greenplantswap 2019
  • Helianthus × multiflorus | Copyright Greenplantswap 2019

Needs

  • LightFull sun
  • HardinessFully hardy (min -15°C)
  • SoilWell drained, Fertile
  • Soil pH7.0
  • WaterSemi-moist

Cultivation

Needs staking.

Propagation

Seed or division in autumn or spring.

Pests, diseases or disorders

May be invasive. Watch out for snails.

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