• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Calluna vulgaris 'Allegro'

Heather 'Allegro'

Heather 'Allegro'

© � RHS

  • Other common names Heather 'Allegro'

  • Genus 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

  • Family Ericaceae / Ericaceae

  • Species '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

Characteristics

  • Foliage Evergreen

  • Habit Bushy

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing or East-facing

  • Exposure Sheltered or Exposed

Soil

  • Chalk

    Sand

  • Chalk

    Clay

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Loam

  • pHAcid

Size

  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in well-drained acidic soil in full sun

Propagation Propagate by semi-hardwood cuttings

Suggested planting locations and garden types Banks and Slopes Flower borders and beds Ground Cover City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants Rock Garden

How to care

Pruning Pruning group 10

Pests Generally pest free

Diseases May be subject to fungal diseases

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