Rudbeckia nitida
shining coneflower
A clump-forming herbaceous perennial, to around 1.5m high, with smooth, slightly leathery, elliptic green leaves. Produces large, daisy-like flowerheads, with a prominent yellow-green central cone that turns brown as the flowers mature, and spreading yellow petals that become reflexed. Flowers are usually held singly, on tall wiry stems from mid to late summer
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Size
Ultimate height
1–1.5 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 | Yellow | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H4Botanical details
- Family
- Asteraceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy, 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
Correct
How to grow
Cultivation
Grow in moderately fertile soil that does not dry out. Divide every 3-5 years to maintain vigour. See rudbeckia cultivation for more detailed advice
Propagation
Propagate by seed or by division in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Prairie planting
- Wildflower meadow
- Wildlife gardens
- Flower borders and beds
Pruning
Spent flowering stems may be cut back, or left to provide winter interest
Pests
May be susceptible to aphids, to leaf and bud eelworms, and to slugs on young growth
Diseases
May be susceptible to powdery mildews, especially on dry soils
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