About

This herbaceous perennial spreads through a network of grey-green leaves that are adorned with fine silvery hairs. In late spring and early summer, it produces thistle-like blooms that are white with purple centers, emerging from scaly buds.

About the genus

Centaurea includes annuals, perennials, and subshrubs, characterized by simple or pinnately lobed foliage and prominent flower heads resembling thistles, frequently featuring enlarged outer florets.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, North-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Plant type
Herbaceous Perennial
Habit
Matforming
Foliage
Deciduous
Height
0.1-0.5 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
Coastal, Cottage and informal garden, Patio and container plants, Prairie planting, Wildlife gardens

Care notes

Cultivation
Best grown in moist but well-drained soil in sun or partial shade. May need staking
Pruning
Deadhead regularly to prolong flowering, and cut back in autumn
Propagation
Propagate by division in spring or autumn
Pest resistance
Generally pest-free
Disease resistance
May be susceptible to powdery mildews