very dark purple knapweed
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A clump-forming perennial to 1m with deeply divided, grey-green leaves. The deep red flowers emerge from bronze-coloured, scaly buds on strong stems in summer
Scientific classification
- Species
- very dark purple knapweed (Centaurea calocephala)
- Genus
- Centaurea
- Family
- Asteraceae
- Information to be completed
- Toxicity
- Herbaceous Perennial
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
very dark purple knapweed pictures
Distribution of very dark purple knapweed
Distribution map
Central Balk., Romania
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Culture
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Toxicity
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Quick identification of very dark purple knapweed
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very dark purple knapweed care guide
- Moderate regular watering, avoid prolonged drought and stagnant waterlogging
- Watering
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Moderate regular watering, avoid prolonged drought and stagnant waterlogging
Fertilizing
FertilizingBalanced perennial feed every four weeks spring through summer growth
Pruning
PruningDeadhead regularly to prolong flowering
Propagation
PropagationPropagate by seed sown in pots in a cold frame in spring or propagate by division in spring or autumn
Growing
GrowingAny well-drained soil in full sun; good drought resistance. A fairly dry, poor soil is best as plants can be invasive if soil is rich and moist
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Common pests and diseases
Diseases
May be affected by powdery mildews
Pests
Generally pest-free
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