Alphabetical Plant Listing

Cotoneaster horizontalis (Rock Cotoneaster)

Rock Cotoneaster, Wall Spray, Rock Spray, Wall Cotoneaster


Slow-growing, Cotoneaster horizontalis (Rock Cotoneaster) is a spreading, deciduous shrub with flat and stiff, regularly-branched sprays in a strict herring-bone pattern. The branches are studded with small, glossy leaves that warm up to orange and red in fall. Small, 5-petaled, pink-tinged white flowers are produced in late spring. Attractive to bees, they are followed by brilliant scarlet berries which ripen in late summer to fall and provide one of the most cheering sights in the garden. Easy to grow, Rock Cotoneaster makes a very attractive ground cover and looks lovely when draped over the edge of walls or large rocks. Birds are very fond of the berries.

  • Grows up in a bushy, densely-branched shrub up to 2-3 ft. tall (60-90 cm) and 6-8 ft. wide (180-240 cm). This plant is a prolific self-sower. You may need to remove unwanted seedlings every year to control its growth.
  • A full sun to partial shade lover, this plant is easily grown in dry to medium moisture, well-drained soils. Drought tolerant once established.
  • Excellent ground cover. Perfect for banks and slopes (erosion control), hedging and screens or cascading over walls.
  • Prune to shape as needed.
  • Propagate by seed or semi-hardwood cuttings.
  • Native to China.
  • Fruit may cause mild stomach upset if ingested

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Requirements

Hardiness 5 – 7
Heat Zones 3 – 7
Climate Zones 2, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A3
Plant Type Shrubs
Plant Family Cotoneaster
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Fall
Height 2' – 3' (60cm – 90cm)
Spread 6' – 8' (180cm – 240cm)
Spacing 72" – 96" (180cm – 240cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy, Fruit & Berries
Tolerance Drought, Rabbit
Garden Uses Banks and Slopes, Ground Covers, Hedges and Screens
Garden Styles Informal and Cottage

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gregorylee / romanovskaya / neydt / 123RF Stock Photo

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 5 – 7
Heat Zones 3 – 7
Climate Zones 2, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A3
Plant Type Shrubs
Plant Family Cotoneaster
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Fall
Height 2' – 3' (60cm – 90cm)
Spread 6' – 8' (180cm – 240cm)
Spacing 72" – 96" (180cm – 240cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy, Fruit & Berries
Tolerance Drought, Rabbit
Garden Uses Banks and Slopes, Ground Covers, Hedges and Screens
Garden Styles Informal and Cottage

Great Plant Combination Ideas with Cotoneaster

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