• 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

Cotoneaster horizontalis

Wall spray

Wall spray

© � RHS 1993

  • Other common names Wall spray
    Rock spray

    Wall cotoneaster

    see more
  • Genus Cotoneaster can be deciduous or evergreen shrubs or small trees, with simple, entire leaves and clusters of small white or pink flowers in spring and summer, followed by showy red, purple or black berries

  • Family Rosaceae / Rosaceae

  • Species C. horizontalis is a spreading dwarf deciduous shrub to 2m in width, with distinctive, flat, regularly branched sprays of foliage with small glossy leaves that turn orange and red in autumn. Pink-tinged flowers and red berries

  • Plant range W China

Characteristics

  • Foliage Deciduous

  • Habit Trailing

  • Toxicity Fruit may cause mild stomach upset if ingested

Colour

Sunlight

  • Full Sun

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

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Chalk

  • Chalk

    Clay

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureWell-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    0.5-1 metres

  • Ultimate spread

    1-1.5 metres

  • Time to ultimate height

    10-20 years

How to grow

Cultivation Grow in well-drained, dry situations in full sun

Propagation Propagate by seed or semi-hardwood cuttings

Suggested planting locations and garden types Drought Resistant Low Maintenance Ground Cover Banks and Slopes Hedging & Screens Cottage & Informal Garden

How to care

Pruning Pruning group 1

Pests Can get brown scale, Cotoneaster webber moths, aphids and woolly aphid

Diseases May suffer from fireblight

Advertise here