Plants > Climbers

cornflower

Centaurea cyanus

Pollinator Friendly

Genus: Centaurea
Family: Asteraceae
Common Names: barbeau, blaver, blue blaw, blue bonnets, blue bow, blue sailors, blue tops, break-your-spectacles, brushes, bunk, corn binks, corn centaury, cornbottle, French pink, happy skies, haw dods, hurtsickle, ragged sailor, bachelor's buttons [4], blawort [2], blue poppy [2], bluebottle, bluets [2], ragged robin [2], witches' bells [3]

About this plant

C. cyanus is an upright annual to 75cm, with simple or slightly lobed leaves and solitary deep blue flower-heads 3-4cm across in late spring and summer

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

H6

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

LoamSandy

pH

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 well-drained soil in full sun

Pruning

Deadhead regularly to prolong flowering

Propagation

Propagate by seed sown in-situ in spring

Pests

Generally pest free

Diseases

May be affected by powdery mildews

Garden Uses

Uses

Banks SlopesFlower BordersPatio ContainerWildflower Meadow

Planting Places

IndoorOutdoorConservatory

Season of Interest

SpringSummer

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Climbing

Time to Full Height

Two To Five Years