Centaurea dealbata 'Steenbergii'

RHS Plant Profile
mealy centaury 'Steenbergii'

A clump-forming perennial to 1m tall with narrowly oval, lobed pale green leaves with whitish-grey hairs underneath. In summer, flowerheads on upright flower stems comprise a ring of dark carmine-pink, deeply-fringed outer petals surrounding a centre of white-tinged inner petals

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
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

Any well-drained soil in full sun; good drought resistance. A fairly dry, poor soil is best as plants can be invasive if soil is rich and moist.

Propagation

Propagate by seed sown in pots in a cold frame in spring or propagate by division in spring or autumn

Pruning

Deadhead regularly to prolong flowering

Pests

Generally pest-free

Diseases

May be affected by powdery mildews