Rudbeckia fulgida
black-eyed Susan
A rhizomatous perennial with hairy leaves and branching stems that carry flowers with deep-brown centres and warm-golden ray florets in mid to late summer and early autumn
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Brown Gold Yellow | Green | ||
| Autumn | Brown Gold Yellow | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical 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
Correct
- Plant range
- E USA & E Canada
How to grow
Cultivation
Grow in humus rich, moist but well-drained soil in full sun or partial shade. Able to tolerate drought once established. See rudbeckia cultivation for further advice
Propagation
Propagate by seed, or divide established plants in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Patio and container plants
- Wildlife gardens
- Wildflower meadow
- Prairie planting
- 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
Diseases
May be susceptible to powdery mildews
Get involved
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