Rudbeckia laciniata 'Starcadia Razzle Dazzle'
coneflower 'Starcadia Razzle Dazzle'
A herbaceous, clump-forming perennial to 1.5m in height with single, daisy-like, yellow flowers and conical centres which turn brown as they age. Flowers from midsummer through to early autumn
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Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green Yellow | Green | ||
| Autumn | ||||
| Winter |
Position
- Full sun
Aspect
West–facing or South–facing or East–facing
Exposure
Sheltered Hardiness
H6Botanical 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
Suitable for larger gardens. Spreading rhizomes means it can have invasive tendencies
Propagation
Divide plants by separating rhizomes in spring or late autumn
Suggested planting locations and garden types
- Prairie planting
- Cottage and informal garden
- Wildflower meadow
- Flower borders and beds
Pruning
Cut back in autumn
Pests
Generally pest-free
Diseases
Generally disease-free
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