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Herbaceous Perennial

Rudbeckia subtomentosa 'Little Henry'PBR
  • RHS Plants for pollinators

sweet coneflower 'Little Henry'

A clump-forming perennial growing to 80-9cm tall. The green, lance to oval-shaped, toothed leaves have a mild, sweet aroma and are softly hairy. Flowers are borne on upright, branched, leafy stems in late summer to early autumn and are made up of narrow, quill-like, butter yellow ray florets surrounding a central dark chocolate brown cone

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

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Columnar upright
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 for further advice

Propagation

Propagate by division in spring

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

Cut back stems after flowering or leave for winter interest

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildew

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