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Herbaceous Perennial

Helenium 'Ruby Thuesday'
  • RHS Plants for pollinators

A clump forming, upright herbaceous perennial with mid-green lance shaped leaves. Mid-red flowers with yellow and bronze centres in summer, flowering over a long period if dead-headed regularly.

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Bronze Red Green
Autumn Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered or Exposed
Hardiness
H6
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Genus

Helenium may be upright, clump-forming annuals, biennials or herbaceous perennials with simple leaves and showy daisy-like flower-heads over a long period

Name status

Accepted

How to grow

Cultivation

Grows best in fertile, well-drained soil in full sun. May require staking in exposed areas. Divide every 2-3 years to maintain vigour.

Propagation

Propagate by division in autumn or spring. Basal cuttings in spring.

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance
  • Cut flowers
  • Flower borders and beds
  • Wall side borders
Pruning

Deadhead after flowering

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildew

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