Plants > Climbers

cornflower 'Black Ball'

Centaurea cyanus 'Black Ball'

Pollinator Friendly

Genus: Centaurea
Family: Asteraceae

About this plant

'Black Ball' is an upright annual to 75cm, with simple or slightly lobed leaves and solitary, very dark red 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

ClayLoamSandy

pH

AcidAlkalineNeutral

Not Currently Available

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

Moisture

Poorly DrainedWell Drained

Aspect

West FacingEast Facing

Exposure

Exposed

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 or autumn

Pests

Generally pest free

Diseases

May be affected by powdery mildews

Garden Uses

Uses

Banks SlopesWildflower Meadow

Planting Places

IndoorOutdoor

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