Cornflower 'Black Ball'

Centaurea cyanus 'Black Ball'

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by Roosie (All rights reserved)
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A close up of a purple Centaurea cyanus black ball flower growing in a garden
creative commons icon
by Roosie (All rights reserved)
1 of 3
Centaurea cyanus 'Black Ball' is an annual cultivar in the daisy family, Asteraceae (Asteraceae). It typically grows to around 75cm tall, producing simple to lobed leaves and attractive deep red flowers. Blooms are solitary and measure between 3-4cm in width, they appear from late spring to summer. It has an upright habit and is hard to -20 degrees Celsius, plant in a position of full sun, in moist, well-draining soil for optimal growth. This cultivar is part of the Royal Horticultural Society “Plants for Pollinators” initiative to showcase plants which support pollinator populations by providing ample amounts of nectar and/ or pollen. A great choice for encouraging pollinating insect wildlife into your garden!
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Planning

Flowering time

Spring, Summer

Special features

Attractive flowers

Attracts bees

Attracts butterflies

Attracts useful insects

Environment

Light

Full Sun

Soil moisture

Dry

Soil type

Loam, Sand, Chalk

Soil PH preference

Alkaline, Neutral, Acid

Frost hardiness

Hardy

Personality

Family

Asteraceae

Flower colour

Purple, Red, Black
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Knowledge and advice

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