Centaurea cyanus 'Blue Boy'

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Annual, EvergreenFamily: Asteraceae

Flower colour:

Blue

Foliage colour:

Green

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Position

Sun Exposure:

Full sun

Aspect:

South facing, west facing

Soil

Succeeds on poor soil:

Well Drained / Light / Sandy

The annual blue cornflower, Centaurea cyanus, is a slender plant bearing pretty flowers in rich shades of blue. It's commonly used in pictorial and annual meadow schemes, and makes an excellent cut flower. Cultivars of the species may have red, pink, and white flowers.

Centaurea cyanus 'Blue Boy' has thistle-like flowers surrounded by slender, gentian-blue petals. It's extremely attractive to bees.

For best results, grow Centaurea cyanus 'Blue Boy' in moist but well-drained soil, in full sun. The wiry plants may need support in exposed situations. Deadhead spent blooms to prolong flowering in summer, but leave seeds to develop towards autumn, as these will provide food for birds.

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Plant calendar

JanFebMarAprMayJunJulAugSepOctNovDecSowyesyesyesPlantyes**yesFlowersyes**yes

Centaurea ‘Blue Boy’ and wildlife

Centaurea ‘Blue Boy’ is known for attracting bees, birds and butterflies/moths. It has nectar/pollen rich flowers and has seeds for birds.

Is known to attract Bees

Bees

Is not known to attract Beneficial insects

Beneficial insects

Is known to attract Birds

Birds

Is known to attract Butterflies/​Moths

Butterflies/​Moths

Is not known to attract Other pollinators

Other pollinators

Is Centaurea ‘Blue Boy’ poisonous?

Centaurea ‘Blue Boy’ has no toxic effects reported.

No reported toxicity to:

Is not known to attract Birds

Birds

Is not known to attract Cats

Cats

Is not known to attract Dogs

Dogs

Is not known to attract Horses

Horses

Is not known to attract Livestock

Livestock

Is not known to attract People

People

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