Rudbeckia fulgida var. fulgida

RHS Plant Profile
black-eyed Susan

Save a plant

Where do you want to save Rudbeckia fulgida var. fulgida?

Plants I own
Wishlist
Go to My Plants
Plants for pollinators
Herbaceous Perennial
Buy this from Plant Nurseries
4 Suppliers

A clump-forming perennial, to around 1m high, with oval-shaped basal leaves, and branching stems bearing lance-shaped, slightly hairy, serrated stem leaves. Daisy-like flowers to 8cm across, with deep-brown central cones and golden yellow petals, are produced from late summer to early autumn

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Clay Loam
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy, Clump forming
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
Correct

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
  • Prairie planting
  • Wildlife gardens
  • City and courtyard gardens
  • Coastal
  • Gravel garden
  • 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