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Rosaceae
COTONEASTER horizontalis 'Robusta'
Rockspray Cotoneaster, Round Rockspray Cotoneaster
This vigorous form of rockspray cotoneaster has a more upright habit and robust nature. It is a sprawling, deciduous shrub has herringbone-like branches that are attractive all season. Chinese in origin, its small, round, dark green leaves turn terrific shades of orange and red in fall. While individually impressive, it produces hundreds of pinkish-white flowers in late spring. The pretty berry fruits that follow turn bright red in fall and linger into the winter until they are eaten by birds.
Rockspray cotoneaster can withstand practically any well-drained soil. It grows best in full sun but will tolerate lightly shade. Established plants are quite drought tolerant and withstand Oceanside conditions. Prune selectively if at all. Many a rockspray cotoneaster has been destroyed by overzealous gardeners with pruners in hand. The plants naturally develop interesting, tiered branches with herringbone patterns.
If planted in groups, this cotoneaster can create quite a statement in the landscape. It is also suitable as a specimen for foundation plantings and can even be espaliered against walls. All are susceptible to fireblight and other fungal diseases that commonly plague rosaceous plants.
7 - 3
4 - 7
A3, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Shrub
Full Sun, Partial Sun, Partial Shade
2'-4' / 0.6m - 1.2m
5'-6' / 1.5m - 1.8m
Spring, Late Spring
China
Acidic, Neutral, Alkaline
Well Drained
Clay, Loam
Pollution
Fast
Drought Tolerant, Average Water
Spreading
Spring, Summer, Fall, Winter
Insignificant
Light Pink
Red, Orange
Green
Green, Dark Green
Red, Purple, Orange
Brown, Gray
No
Single
Yes
Fine
Glossy
Smooth
Edging, Foundation, Groundcover, Mixed Border, Rock Garden / Wall, Topiary / Bonsai / Espalier
Birds
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