Prunus X Cistena

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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.

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;J. N l\J d.000 A~ :J-6 '. AGRICULTURAL EXTENSION SERVICE UNIVERSITY OF MINNESOTA • The genus Pru nus contains many species and cultivars, Pru nus including both fruits and woody ornamentals. The arboretum's Prunus maacki (Amur Cherry). This small tree has bright, emphasis is on the ornamental plants. brownish-yellow bark that flakes off in papery strips. It is par Prunus americana (American Plum). This small tree furnishes ticularly attractive in winter when the stems contrast with the fruits prized for making preserves and is also an ornamental. snow. The flowers and fruits are produced in drooping racemes In early May, the trees are covered with a "snowball" bloom similar to those of our native chokecherry. This plant is ex of white flowers. If these blooms escape the spring frosts, tremely hardy and well worth growing. there will be a crop of colorful fruits in the fall. The trees Prunus maritima (Beach Plum). This species is native to the sucker freely, and unless controlled, a thicket results. The A coastal plains from Maine to Virginia. It's a sprawling shrub merican Plum is excellent for conservation purposes, and the reaching a height of about 6 feet. It blooms early with small thickets are favorite refuges for birds and wildlife. white flowers. Our plants have shown varying degrees of die Prunus amygdalus (Almond). Several cultivars of almonds back and have been removed for this reason. including 'Halls' and 'Princess'-have been tested. Although Prunus 'Minnesota Purple.' This cultivar was named by the the plants survived and even flowered, each winter's dieback University of Minnesota in 1920.
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Approved Approved & as a eligible to Not eligible to Approved as Frontage fulfill other fulfill other Type of plant a Street Tree Tree standards standards Heritage Tree Tree Heritage Species Botanical Name Common name Native Abelia x grandiflora Glossy Abelia Shrub, Deciduous No No No Yes White Forsytha; Korean Abeliophyllum distichum Shrub, Deciduous No No No Yes Abelialeaf Acanthropanax Fiveleaf Aralia Shrub, Deciduous No No No Yes sieboldianus Acer ginnala Amur Maple Shrub, Deciduous No No No Yes Aesculus parviflora Bottlebrush Buckeye Shrub, Deciduous No No No Yes Aesculus pavia Red Buckeye Shrub, Deciduous No No Yes Yes Alnus incana ssp. rugosa Speckled Alder Shrub, Deciduous Yes No No Yes Alnus serrulata Hazel Alder Shrub, Deciduous Yes No No Yes Amelanchier humilis Low Serviceberry Shrub, Deciduous Yes No No Yes Amelanchier stolonifera Running Serviceberry Shrub, Deciduous Yes No No Yes False Indigo Bush; Amorpha fruticosa Desert False Indigo; Shrub, Deciduous Yes No No No Not eligible Bastard Indigo Aronia arbutifolia Red Chokeberry Shrub, Deciduous Yes No No Yes Aronia melanocarpa Black Chokeberry Shrub, Deciduous Yes No No Yes Aronia prunifolia Purple Chokeberry Shrub, Deciduous Yes No No Yes Groundsel-Bush; Eastern Baccharis halimifolia Shrub, Deciduous No No Yes Yes Baccharis Summer Cypress; Bassia scoparia Shrub, Deciduous No No No Yes Burning-Bush Berberis canadensis American Barberry Shrub, Deciduous Yes No No Yes Common Barberry; Berberis vulgaris Shrub, Deciduous No No No No Not eligible European Barberry Betula pumila
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