Scabiosa atropurpurea 'Black Knight'![RHS Plants for pollinators](/assets/styles/images/icons/RHS_Bee_YELLOW-REGISTERED.png)
![RHS Plants for pollinators](/assets/styles/images/icons/RHS_Bee_YELLOW-REGISTERED.png)
A short-lived, clump forming herbaceous perennial with feathery divided mid-green leaves. Throughout summer and early autumn it produces pincushion-shaped flowers that rise on thin stems above the foliage. These are darkest burgundy, with almost black centres and white stamens.
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Size
Ultimate height
0.5–1 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Red Black | Green | ||
Autumn | Red Black | Green | ||
Winter |
Position
- Full sun
Aspect
South–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Caprifoliaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Scabiosa can be annuals, biennials or herbaceous or evergreen perennials, with simple or pinnately lobed leaves and characteristic flower-heads with enlarged outer florets
- Name status
Accepted
How to grow
Cultivation
Grow in moderately fertile, well-drained, neutral to slightly alkaline soil in full sun
Propagation
Propagate by division, or propagate by seed with gentle heat in spring.
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Prairie planting
- Patio and container plants
- Wildlife gardens
- Cut flowers
- Flower borders and beds
Pruning
Cut back stems after flowering
Pests
Generally pest-free
Diseases
May be susceptible to powdery mildews
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