Woody Database [http://woodyplants.cals.cornell.edu]

Species: horizontalis

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

Rockspray; Rock Cotoneaster

Cultivar Information

* See specific cultivar notes on next page.

Ornamental Characteristics

Size: < 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.

Insect Disease

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

Bare Root Transplanting

Any

Other

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

1 Woody Plants Database [http://woodyplants.cals.cornell.edu]

Moisture Tolerance

Occasionally saturated Consistently moist, Occasional periods of Prolonged periods of or very wet soil well-drained soil dry soil dry soil

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2 Woody Plants Database [http://woodyplants.cals.cornell.edu] Cultivars for Cotoneaster horizontalis

Showing 1-5 of 5 items.

Cultivar Name Notes

Hessei 'Hessei' - irregular, decurving branching

Tom Thumb 'Tom Thumb' - dense, broad-spreading mound

Variegatus 'Variegatus' - dainty, variegated leaves

Perpusillus 'Perpusillus' - one of the most prostrate selections; this only grows to 1' tall x 7' wide; susceptible to fireblight

Robusta 'Robusta' - vigorous more upright growing habit; to 3' tall; heavy fruit bearer

3 Woody Plants Database [http://woodyplants.cals.cornell.edu] Photos

Cotoneaster horizontalis - Fruit, Leaves

Cotoneaster horizontalis - Habit

4 Woody Plants Database [http://woodyplants.cals.cornell.edu]

Cotoneaster horizontalis - Leaves, Fruit

Cotoneaster horizontalis - Fruit

5 Woody Plants Database [http://woodyplants.cals.cornell.edu]

Cotoneaster horizontalis - Habit

Cotoneaster horizontalis - Habit

6 Woody Plants Database [http://woodyplants.cals.cornell.edu]

Cotoneaster horizontalis - Habit, Fruit

Cotoneaster horizontalis - Bark

7 Woody Plants Database [http://woodyplants.cals.cornell.edu]

Cotoneaster horizontalis - Leaves, Flowers

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