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Centaurea cyanus 'Blue Diadem' | Plant Finder | Fill My Garden

Home/Plants/Climbers

Plants > Climbers

Centaurea cyanus 'Blue Diadem'

Centaurea cyanus 'Blue Diadem'

Pollinator FriendlyLow MaintenanceDrought Resistant

Genus: Centaurea
Family: Asteraceae

About this plant

An annual cornflower, to around 75cm high in flower, with lance-shaped, grey-green leaves. Showy flower-heads 3-4cm across, with sky blue florets crowded around the outside and dark purple stamens in the centre, are produced all through the summer

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

ClayLoamSandy

AcidAlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Well Drained

Aspect

West FacingEast Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in almost any well-drained soil in full sun. Thrives in poor soils but will not tolerate waterlogging

Pruning

Deadhead to encourage more flowers, unless seed is required

Propagation

Propagate by seed, sown outdoors in early spring. Sow successionally rather than all at once for a longer show of flowers

Pests

Generally pest-free

Diseases

May be susceptible to downy mildews, powdery mildews and rust diseases

Garden Uses

Uses

Flower BordersGround CoverWildflower MeadowBanks Slopes

Planting Places

GreenhouseIndoorOutdoor

Season of Interest

SpringSummer

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Climbing

Time to Full Height

One To Two Years