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Helianthus atrorubens ‘Monarch’

Dark-eye sunflower

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Features

  • BloomsAugust to October
  • Height1m to 2m
  • Spread0.7m
  • Growth HabitUpright rosette
  • Flower ColourYellow
  • Leaf ColourMedium green
  • AwardsRHS Garden Merit

Description

Helianthus atrorubens ‘Monarch’ (Dark-eye sunflower). An upright perennial with daisy-like, semi-double, deep yellow flowers carried on branching stems in late summer. Leaves are lance-shaped and medium green.

Characteristics

Perennial, Shrub or Herbaceous

Other common names

Sunflower

Origin

S.E. USA

Interest and use

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


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Needs

  • LightFull sun
  • HardinessFrost hardy (min -5°C)
  • SoilWell drained, Fertile
  • Soil pH5.0 to 7.0
  • WaterSemi-moist

Cultivation

Needs to be replanted each spring to keep in check.

Propagation

Seed or division in autumn or spring.

Pests, diseases or disorders

May be invasive. Watch out for snails.


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