cornflower 'Black Ball'
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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
Scientific classification
- Species
- cornflower 'Black Ball' (Centaurea cyanus 'Black Ball')
- Genus
- Centaurea
- Family
- Asteraceae
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- Toxicity
- Annual Biennial
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer
- Season of interest
- Full sun
- Sunlight
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- Ideal temperature
cornflower 'Black Ball' pictures
Distribution of cornflower 'Black Ball'
Distribution map
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Culture
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Toxicity
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Quick identification of cornflower 'Black Ball'
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cornflower 'Black Ball' care guide
- Moderate regular watering, allow slight drying between waterings
- Watering
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Moderate regular watering, allow slight drying between waterings
Fertilizing
FertilizingLight balanced feed in spring and during bloom
Pruning
PruningDeadhead regularly to prolong flowering
Propagation
PropagationPropagate by seed sown in-situ in spring or autumn
Growing
GrowingGrow in well-drained soil in full sun
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Common pests and diseases
Diseases
May be affected by powdery mildews
Pests
Generally pest-free
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