alum root 'Cinnabar Silver'
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A compact, clump-forming perennial to about 25cm high, forming a mound of lobed leaves that emerge purple with a silver sheen, becoming more metallic as the leaves mature. Loose, upright sprays of red flowers are held on slender, dark red stems above the foliage from late spring into summer

Scientific classification
- Species
- alum root 'Cinnabar Silver' (Heuchera 'Cinnabar Silver')
- Genus
- Heuchera
- Family
- Saxifragaceae
- Information to be completed
- Toxicity
- Herbaceous Perennial
- Plant type
- 0.1-0.5 metres
- Height
- 0.1-0.5 metres
- Spread
- Semi evergreen
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
alum root 'Cinnabar Silver' pictures
Distribution of alum root 'Cinnabar Silver'
Distribution map
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Culture
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Toxicity
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Quick identification of alum root 'Cinnabar Silver'
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alum root 'Cinnabar Silver' care guide
- Moderate regular watering, allowing brief slight drying between soakings
- Watering
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Moderate regular watering, allowing brief slight drying between soakings
Fertilizing
Balanced perennial feed every four weeks from spring through summer
Pruning
Remove faded flower spikes
Propagation
Propagate by division in autumn. As this plant is protected by Plant Breeders' Rights, any propagation should be for personal rather than commercial use
Growing
Grow in a fertile, neutral soil in sun or light shade, and ensure good drainage, especially in heavy soils. The woody rootstock tends to lift out of the ground over time, so mulch annually to retain moisture. Divide and replant every 3-4 years to maintain vigour
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Common pests and diseases
Diseases
May be susceptible to heuchera rust and leafy gall
Pests
May be susceptible to leaf and bud eelworm and vine weevil
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