knapweed 'Amethyst on Ice'
Also known as: Information to be completed
A herbaceous perennial up to 40cm high with broadly lance-shaped green leaves and flowerheads with white ray florets and purple central discs from late spring to late summer; Centaurea flowers are attractive to bees
Scientific classification
- Species
- knapweed 'Amethyst on Ice' (Centaurea 'Amethyst on Ice')
- Genus
- Centaurea
- Family
- Asteraceae
- Information to be completed
- Toxicity
- Herbaceous Perennial
- Plant type
- 0.1-0.5 metres
- Height
- 0.5-1 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
knapweed 'Amethyst on Ice' pictures
Distribution of knapweed 'Amethyst on Ice'
Distribution map
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Information to be completed
Culture
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Toxicity
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Quick identification of knapweed 'Amethyst on Ice'
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knapweed 'Amethyst on Ice' care guide
- Moderate regular watering, allow slight drying between waterings
- Watering
- Full sun · Partial shade
- 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
PruningNo pruning required, but deadheading may help to prolong flowering
Propagation
PropagationPropagate by division in spring or autumn, or by root cuttings in winter
Growing
GrowingGrow in moist but well-drained soil in sun or partial shade
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Common pests and diseases
Diseases
May be susceptible to powdery mildews but generally disease-free
Pests
Generally pest-free
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