brown knapweed
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A vigorous herbaceous perennial, up to 1.5m high, with lance-shaped green leaves. Leaves and stems covered with fine white felting. Flowers in summer, producing buds encased in overlapping, light brown bracts edged with long white hairs, which open to showy mauve pink or lilac flowers, with a ring of long, narrow outer florets surrounding masses of tiny flowers in the centre
Scientific classification
- Species
- brown knapweed (Centaurea jacea)
- Genus
- Centaurea
- Family
- Asteraceae
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- Toxicity
- Herbaceous Perennial
- Plant type
- 1-1.5 metres
- Height
- 0.5-1 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
brown knapweed pictures
Distribution of brown knapweed
Distribution map
Europe to Siberia and Caucasus
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Culture
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Toxicity
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Quick identification of brown knapweed
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brown knapweed 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 to encourage more flowers, unless seed is required
Propagation
PropagationPropagate by seed or by division, separating rhizomes in autumn
Growing
GrowingGrow in almost any well-drained soil in full sun. Thrives in poor soils but will not tolerate waterlogging
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Common pests and diseases
Diseases
May be susceptible to downy mildews, powdery mildews and rust diseases
Pests
Generally pest-free
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