Prunus x cistena - Purpleleaf Sand Cherry (Rosaceae) ------------------------------------------------------------------------------------------ Prunus x cistena is a small shrub known for its USAGE upright and spreading habit and red-purple to maroon Function foliage that does not fade much during the summer. -specimen shrub, borders, entranceways, formal or Purpleleaf Sand Cherry has white-pink solitary spring informal hedges flowers directly pendulous from the previous year's Texture wood. -medium texture in foliage and when bare -average density in foliage and when bare FEATURES Assets Form -maroon to red-purple foliage all spring and most of -medium shrub the summer -to 8' tall x 8' wide -spring white-pink flowers emerging with the foliage -upright oval, spreading with age -rapid growth -rapid rate Liabilities -most cherries and plums are subject to cankers, Culture borers, and frost cracks (leading to cambial necrosis -full sun to partial shade and wood rotting) and caterpillars, Japanese beetles, -urban tolerant in general, especially drought hardy and other insects (leading to defoliation and leaf -serious pest and disease problems plague cherries cosmetic unsightliness), and as a result are often dead (aphids, borers, cankers, leaf spots, etc.) after 10-20 yrs. of growth Foliage Habitat -emerging bright reddish-purple and remaining -Zone 2 crimson-purple throughout most of the summer, -Native to Western Asia and the Caucasus slowly changing to a bronzy-green autumn color -leaves are alternate, elliptical, serrated, about 2" SELECTIONS long, and with dual glands at the top of the young Alternates petiole -red-, maroon-, or purple-foliaged shrubs (Berberis -foliage will change quickly to bronzy-green in thunbergii cultivars, Cotinus coggygria cultivars, summer if it is sited in a semi-shady spot etc.) Flowers Cultivars - Variants - Related species -white-pink -Prunus x cistena 'Big Cis' - a more vigorous form -Apr. that yields a 15' tall single- or multi-trunked small -solitary and directly pendulous from previous year's ornamental tree wood -Prunus cerasifera - Cherry Plum - one of the -emerging with the foliage as pink buds parents in the hybridization of P. x cistena (the other Fruits is P. pumila) -black-purple -upright tree to 25' x 20'; noted here because its -July many cultivars ('Newport' is the most cold hardy, to -the few that are present are not effective and seldom zone 4) make it one of the premier purple-foliaged noticed, due to small size and poor contrast with the trees, slowly fading to purple-green as the summer purple foliage progresses; like most Prunus, it has a functional life Twigs of 20 yrs. or less due to serious disease and pest -red-brown, becoming dark gray with age problems -rapid growth at apex and from basal suckers -medium growth elsewhere -buds small -stems and branches lenticeled Trunk - multi-branched from base - gray to gray-brown - prone to fissures that ooze sap.