Cotoneaster perpusillus
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Cotoneaster horizontalis Decne. var. perpusillus Rockspray cotoneaster
Rock cotoneaster is native to western China, but has escaped and is now found in some areas of North America. Identification: These plants are prostrate, spreading horizontally over rock surfaces. They are 12-30" (30-76 cm) in height—the ones I have seen so far are plastered nearly flat against the rock. They may spread up to 8' (2.4 m). Stems may have a fishbone pattern. Leaves are alternate, unlobed, dark green on top, light green and finely hairy below, ⅛-¼" (6-8 mm) in length. Plants are semi-evergreen, retaining at least some leaves in winter; leaves become tinged with purple. Flowers are pale pink, appear from May to June. Berries are bright red, oval-shaped, ~³/₁₆" (5-6 mm) × ¹/₁₆-⅛" (3-4 mm), distributed evenly among the foliage. Online References:
The University of Connecticut Plant Database SEINet—the Southwest Environmental Information Network Cotoneaster horizontalis var. perpusillus description by Thomas H. Kent, last updated 25 May 2020.
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6/17/2012 · Coastal Maine Botanical Gardens, Boothbay, Maine
6/17/2012 · Coastal Maine Botanical Gardens, Boothbay, Maine Range: Zones 5a-7a:
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