Centaurea montana 'Carnea'
perennial cornflower 'Carnea'
A clump-forming, rhizomatous perennial to around 45cm high in flower, with a spreading habit and simple, downy green leaves. Flowers from late spring to mid summer, with slender stems bearing buds encased in overlapping bracts, which open to large, showy pale pink flowers, with a ring of large outer florets surrounding a crowd of tiny flowers with rich purple stamens in the centre

Buy this plant
Size
Ultimate height
0.1–0.5 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 | Pink | Green Grey Silver | ||
|---|---|---|---|---|
| Summer | Pink | Green Grey Silver | ||
| Autumn | Green Grey Silver | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Asteraceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming, Spreading branched
- Genus
Centaurea may be annuals, perennials or subshrubs, with simple or pinnately lobed leaves and showy thistle-like flowers-heads, often with enlarged outer florets
- Name status
Accepted
How to grow
Cultivation
Grow in any moist but well-drained soil in full sun or light shade. May benefit from support to prevent flopping, see staking: perennials
Propagation
Propagate by division, separating rhizomes in autumn
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- Wildflower meadow
- Wildlife gardens
- Cut flowers
- Flower borders and beds
- Ground cover
Pruning
Cut back after flowering to encourage fresh foliage, may produce a second flush in late summer
Pests
Generally pest-free
Diseases
May be susceptible to downy mildews, powdery mildews and rust diseases
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.