Centaurea 'John Coutts'

RHS Plant Profile
knapweed 'John Coutts'

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Synonyms

Centaurea dealbata 'John Coutts'
Centaurea hypoleuca 'John Coutts'

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A vigorous herbaceous perennial, with jagged lobed leaves white-felted beneath, and showy purplish-pink flower-heads 6cm across in summer and often into early autumn

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 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

Grow in well-drained soil in full sun. Attractive to bees and butterflies

Propagation

Propagate by seed in containers in a cold frame in spring. Propagate by division in spring or autumn

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Powdery mildews may occur