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Calluna vulgaris 'Allegro'

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© RHS

Characteristics

Plant type

Shrub

Habit

Bushy

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Dark Red in Autumn and Summer

Foliage

Dark Green in Autumn, Summer and Winter

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

heather 'Allegro'

Family

Ericaceae


Calluna are low-growing or dwarf evergreen shrubs with stems clothed in tiny overlapping leaves, and terminal, spike-like racemes of small, 4-petalled flowers with coloured calyces

'Allegro' is a spreading evergreen shrub to 50cm, with dark green, scale-like foliage, and deep red flower in long spikes in summer and autumn

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing, West-facing or East-facing
  • Sheltered or Exposed

Cultivation

Grow in well-drained acidic soil in full sun

Soil

  • Well-drained or Moist but well-drained
  • Acid
  • Sand, Clay or Loam

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

Banks and Slopes, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Ground Cover, Patio/Container Plants or Rock Garden


How to care

Pests

Generally pest free

Diseases

May be subject to fungal diseases