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Herbaceous Perennial

Rudbeckia fulgida 'City Garden'
  • RHS Plants for pollinators

black-eyed Susan 'City Garden'

A compact, clump-forming perennial, to around 50cm high, with branching stems and lance-shaped, toothed dark green leaves. Daisy-like flowers, with narrow, golden yellow petals and dark brown central cones, are produced from late summer to early autumn

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

East–facing or South–facing or West–facing

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

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How to grow

Cultivation

Grow in moderately fertile, evenly moist soil; plants have some tolerance for drought once established. Flowering is best in full sun. Divide every 3-5 years to maintain vigour. See rudbeckia cultivation for more detailed advice

Propagation

Propagate by division of established clumps in autumn or spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Prairie planting
  • Wildflower meadow
  • Cut flowers
  • Flower borders and beds
Pruning

Deadhead regularly. Can be cut back in autumn, though stems and seedheads persist well and can provide structure in winter

Pests

May be susceptible to aphids, and to slugs on young growth

Diseases

May be susceptible to powdery mildews

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