About
Calluna vulgaris 'Allegro' is a low-growing evergreen shrub, reaching up to 50 cm in height. It features dark green, scale-like leaves and produces elongated spikes of deep red flowers during the summer and autumn months.
About the genus
Calluna consists of compact, evergreen shrubs that feature stems covered in small, overlapping leaves. At their tips, these plants bear spike-like clusters of diminutive, four-petaled flowers, each adorned with colored calyces.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Clay, Loam, Sand
- Soil pH
- Acid
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Shrubs
- Habit
- Bushy
- Foliage
- Evergreen
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Coastal, Cottage and informal garden, Rock garden, City and courtyard gardens, Patio and container plants
Care notes
- Cultivation
- Grow in well-drained acidic soil in full sun
- Pruning
- Pruning group 10
- Propagation
- Propagate by semi-hardwood cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to honey fungus (rarely) and other fungal diseases