knapweed 'John Coutts'
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John Coutts' is a vigorous herbaceous perennial, with jagged lobed leaves white-felted beneath, and showy purplish-pink flower-heads 6cm across in summer and often into early autumn
Scientific classification
- Species
- knapweed 'John Coutts' (Centaurea 'John Coutts')
- Genus
- Centaurea
- Family
- Asteraceae
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- Toxicity
- Herbaceous Perennial
- Plant type
- 0.1-0.5 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Bushy
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun
- Sunlight
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- Ideal temperature
knapweed 'John Coutts' pictures
Distribution of knapweed 'John Coutts'
Distribution map
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Culture
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Toxicity
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Quick identification of knapweed 'John Coutts'
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knapweed 'John Coutts' care guide
- Moderate watering cycles, slight dryness tolerated between soaks
- Watering
- Full sun
- Sunlight
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- Ideal temperature
Watering
Moderate watering cycles, slight dryness tolerated between soaks
Fertilizing
FertilizingWeak high phosphorus feed every three weeks bloom growing phase
Pruning
PruningNo pruning necessary
Propagation
PropagationPropagate by seed in containers in a cold frame in spring. Propagate by division in spring or autumn
Growing
GrowingGrow in well-drained soil in full sun. Attractive to bees and butterflies
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Common pests and diseases
Diseases
Powdery mildews may occur
Pests
Generally trouble free
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