Species: Cotoneaster horizontalis

(koe-toe-nee-as'terr hor-i-zon-tah'lis)

Cotoneaster horizontalis

Rockspray; Rock Cotoneaster

Found on Course Walks

Map of plant locations

(Plant location data may be incomplete)

In Collection(s):

None Listed

Cultivars

'Hessei', 'Perpusillus', 'Robusta', 'Tom Thumb', 'Variegatus'

Ornamental Characteristics

Size: Shrub < 4 feet, Groundcover

Height: 2' - 3' (5' spread)

Leaves: Deciduous

Shape: ground cover, mounded horizontal branching is characteristically flat/herringbone/fanlike

Ornamental Other: withstands drought once established; tolerant of wind; full sun or light shade

Environmental Characteristics

Light: Full sun, Part shade

Hardy To Zone: 5b

Soil Ph: Can tolerate acid to alkaline soil (pH 5.0 to 8.0)

Environmental Other: withstands drought once established; tolerant of wind; full sun or light shade.Semi-evergreen or evergreen in the south.

Moisture Tolerance: Consistently moist, well-drained soil; Occasional periods of dry soil
See graphic below

Insect Disease

susceptible to a variety of diseases (mites, hawthorn lacebug, fireblight and more); only fireblight is a serious risk

Bare Root Transplanting

Other

native to western China; transplant from container or B & B

Moisture Tolerance Graphic

Please view this page on a tablet or larger screen for the moisture graph

Moisture Tolerance

Moisture graphic

Occasionally saturated or very wet soil

Consistently moist, well-drained soil

Occasional periods of dry soil

Prolonged periods of dry soil

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