Description
Cotoneaster –
There are about 200 species of deciduous, semi evergreen, or evergreen shrubs, rarely small trees, in this genus. They occur from woodland and rocky areas in North temperate region of Europe, Asia, and Northern Africa. They have alternate, simple, lance shaped to narrowly elliptic or rounded, broadly ovate, smooth edged leaves. They bear 5 petalled, saucer to shallowly cup shaped, white to deep pink, sometimes red flowers, held singly or in cymes from spring to summer, are followed in autumn by ornamental, spherical to ovoid or obovoid red or black berries. Grow in a shrub border or as a hedge or screen, some are ideal for wall training. Dwarf species are suitable for a rock garden. Many prostrate species provide good groundcover, some may be trained as weeping standards. Seed may cause mild stomach upset if ingested.
Grow in moderately fertile, well drained soil, most will tolerate dry positions. Deciduous species prefer full sun. Large and medium sized evergreen thrive in sun or partial shade. In an exposed situations the may need protection from cold, drying winds. Most need little regular pruning but will tolerate hard pruning to produces tight hedges or to renovate.
Prone to rust, powdery mildew, stem cankers, fire blight, scale insects, rose slugs, spider mites, slugs and snails
C. horizontalis ‘Variegatus’ – Rockspray – Rock Cotoneaster – Rockspray cotoneaster – This popular, semi prostrate, spreading, semi evergreen grows 3′ feet tall and 5-8′ feet wide. From branches forming a herringbone like branching pattern that carry rounded to broadly elliptic, glossy, dark green leaves edged in white, to ½” long, turn bronze purple, orange, and red in autumn. In late spring it bears pink tinged white flowers, carried singly or in pairs, followed by spherical fruit, to 1/4″ long, which are scarlet.
Zones 4-8
