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Herbaceous Perennial

Rudbeckia subtomentosa 'Henry Eilers'
  • RHS Plants for pollinators

coneflower 'Henry Eilers'

'Henry Eilers' is a clump-forming perennial growing to 1.2m tall. The green, lance to oval-shaped, toothed leaves have a mild, sweet aroma and are softly hairy. Flowers are borne on upright, branched stems in late summer to early autumn and are made up of narrow, quill-like, yellow ray florets surrounding a central brown cone

Synonyms
Rudbeckia 'Henry Eilers'
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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Brown Yellow Green
Autumn Brown Yellow Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Asteraceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Rudbeckia may be annuals, biennials or rhizomatous herbaceous perennials, with simple or pinnately divided leaves and large daisy-like flower-heads with yellow or orange rays surrounding a prominent conical disk

Name status

Accepted

How to grow

Cultivation

Prefers a fertile, moisture-retentive but well-drained soil in full sun. Benefits from support (see staking perennials)

Propagation

Propagate by division in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildflower meadow
  • Prairie planting
  • Cut flowers
  • Flower borders and beds
Pruning

Cut back in autumn

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildews

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