Cotoneaster horizontalis

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wall cotoneaster

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wall cotoneaster RHS 1993
wall cotoneaster visionspictures.com
wall cotoneaster visionspictures.com

Other common names

rock spray, wall spray

Synonyms

Cotoneaster acuminata var. prostrata

Shrubs
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This plant is listed as an invasive non-native species in Great Britain – see Cultivation section for details Low-growing, spreading, deciduous shrub to 90cm tall and 1.5m in width, with distinctive, flat, herringbone patterned sprays of foliage bearing small glossy dark green leaves that turn orange and red in autumn. Pink-tinged white flowers in late spring are followed by red berries

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
5–10 years
Max Spread
1-1.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or East–facing or South–facing or North–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rosaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Trailing, Spreading branched
Potentially harmful
Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
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
Name Status
Correct
Plant Range
W China, Taiwan

How to Grow

Cultivation

This plant is listed on Schedule 9 of the Wildlife & Countryside Act (1981) as an invasive non-native species. Although not banned from sale, it is an offence to plant or cause it to grow in the wild in Great Britain. See advice on invasive non-native species for further information

Propagation

See cultivation notes

Pests

See cultivation notes

Diseases

See cultivation notes