; V. pauciflorum (Raf.) americanum. Award of Merit 1962. Fungal leaf spots are caused by a different f… This plant has escaped gardens and naturalized in parts of the northeastern and Midwestern U.S. north into Canada. Shrub borders or foundations. It also has scarlet fruit in autumn. 2. 'Sterile'. Noteworthy Characteristics. Growing conditions. ‘Notcutt’s Variety’. Downy mildew causes leaves to develop splotched areas which die and shrivel in spring. Viburnum opulus, commonly called European cranberry bush, is a highbush cranberry that is native to Europe, Asia and N. Africa. 2-4" long and nearly as wide glossy dark green leaves are three-lobed with pointed tips, rounded base, serrated margins and a somewhat wrinkled surface with impressed leaf venation. Cover the leaves thoroughly, both the tops and undersides. Genus name comes from the Latin name of a species plant. It forms a dense mound of arching, spreading limbs which bear glossy dark green maple-like trifoliate lobed leaves. This very ornamental viburnum was raised by Donald Egolf at the United States National Arboretum and is cultivated in the Hillier Arboretum near Romsey. Recommended citation'Viburnum opulus' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/viburnum/viburnum-opulus/). ‘Roseum’ is synonymous with and sometimes sold in commerce as V. opulus ‘Sterile’. across. 1. A deciduous shrub forming a thicket of erect, grey stems, 10 to 15 ft high; young wood glabrous, ribbed. Some susceptibility to bacterial leaf spot, stem blight and powdery mildew. To contact the editors: info@treesandshrubsonline.org. opulus) and designated Viburnum opulus var. Prized by florists, Viburnum opulus 'Roseum' (European Cranberrybush) is a large, bushy deciduous shrub of rounded habit, adorned with a profusion of large rounded clusters, 3 in. Torr. 'Roseum’ is a sterile cultivar (no fertile florets and no cranberry-like fruit) that produces 3” diameter pom-pom-like globular inflorescences (snowballs) of entirely sterile white flowers. In May it produces large clusters of sterile green flowers that mature to white and then pink. Drink 2 to 3 times a day. No serious insect or disease problems. Sporadic fall color of yellow to red-purple. Creamy-white sterile flowers in dense rounded clusters to 6cm in width. It is characterized by fine white dusty growth on the upper surfaces of leaves. cv. The fruit is not ornamentally significant. How to Prune Viburnum Opulus Roseum. 3. Where is this species invasive in the US. wide. This is the reason for the "roseum" moniker. & Gr. – Fruits translucent yellow. The Viburnum lantanais a summer-green shrub with umbrella-shaped flowers. Its leaves are 3⁄4 to 11⁄2 in. For information about how you could sponsor this page, see How You Can Help, Article from Bean's Trees and Shrubs Hardy in the British Isles. long, often as much or more wide, the base truncate, the lobes pointed, coarsely and irregularly toothed, dark green and glabrous above, more or less downy beneath; stalk 1 ⁄ 2 to 1 in. across (7 cm), packed with sterile flowers in late spring. Native of Europe (including Britain), northwest Africa, Asia Minor, the Caucasus, and parts of Central Asia. Viburnum opulus, commonly called European cranberry bush, is a highbush cranberry that is native to Europe, Asia and N. Africa.It is a deciduous shrub with a rounded spreading habit that typically grows to 10-15’ tall. The leaves, which turn to purplish red during the autumn, offer a good spring and autumn display in the garden. Chron., Vol. The viburnum leaf beetle (VLB), Pyrrhalta viburni, is an invasive insect that feeds exclusively on and can significantly damage Viburnum species.VLB is native to Europe and was detected in … It is of wide distribution in N. America, ranging across the continent in high latitudes, south in the mountains. It features lacecap-type white flowers in spring in flat-topped 3” wide cymes of tiny fertile florets surrounded by larger sterile florets, drooping clusters of cranberry-like red berries (drupes) in fall and three lobed, maple-like, dark green leaves. The leaves are opposite, three-lobed, 5–10 cm (2–4 in) long and broad, with a rounded base and coarsely serrated margins; they are superficially similar to the leaves of some maples , most easily distinguished by their somewhat wrinkled surface with impressed leaf venation. V. sargentii Koehne – An ally of V. opulus in N.E. The plant that received a First Class Certificate when shown by the Crown Estate Commissioners, Windsor, in 1966, had fruits starting apricot yellow and becoming translucent saffron-yellow (Journ. pauciflorum (Raf.) As showy as Viburnum opulus 'Roseum' but has the bonus of fragrance. ‘Roseum’ has been known in European gardens since the 16th century and was usually called ‘Sambucus rosea’ or Rose Elder, probably from a fancied resemblance of the florets to single roses. Miller called the wild form ‘Marsh Elder’ or ‘Guelder Rose with flat flowers’. americanum and (3) V. edule. Powdery mildew affects many types of plants, from ornamentals to vegetables. Viburnum opulus L. Guelder Rose. 251). Snowball tree. – Of lower and denser habit. Plants typically grow to 10-12’ tall with a rounded form. cv. – This is not confined to north-east Asia (see page 709); it also occurs as far south as north-west Hupeh. Look out for: the three-lobed leaves which have leaf stems with a channel running down the centre and a pair of round glands near the apex of the leaf. long, often as much or more wide, the base truncate, the lobes pointed, coarsely and irregularly toothed, dark green and glabrous above, more or less downy beneath; stalk 1⁄2 to 1 in. It is not so useful and well-doing a shrub as V. opulus in Britain, starting earlier into growth, and being subject to injury by spring frosts. Species plants sometimes grow in wet or boggy soils in its native habitat. Holes eaten in the leaves of viburnums, with the larger leaf veins remaining, giving the foliage a lace like appearance Creamy yellow larvae, with black markings and up to 8mm long, are present on plants from April to June Greyish brown adult beetles, 4.5-6mm long, feed … European snowball bush, also known as Viburnum opulus 'Roseum', is probably one of the most common ones. Commonly called snowball bush, Viburnum opulus "Roseum" is a deciduous shrub cultivar prized for its round, white flower clusters and spreading growth habit. americanum Ait. Other favorites include Japanese snowball bush, typically listed as Viburnum plicatum, and fragrant snowball bush (Viburnum carlcephalum). It can reach up to 4m high and can spread from 2–5m. Powdery mildew of viburnum primarily affects young leaves and shoots. It is of wide distribution in Canada and the northern USA, as far west as British Columbia and Washington. Edwin Beckett, the garden manager at Aldenham, suggested that the name fructu-luteo should be used for a form with fruits pink at first, becoming dark chrome yellow, slightly tinged with pink (Gard. Flower buds red. Prefers loams with consistent moisture, but tolerates a wide range of soils. Leaves opposite, 5-10 cm long, as wide or wider, pointed lobes (maple-like), glossy dark green in summer, may turn reddish in fall, a few disk-like glands on grooved petiole. ‘Nanum’. ex Kew Hand-list; V. o. var. Asia, introduced to Europe through Prof. Sargent in 1892. Here are a few differences. It is a deciduous shrub with a rounded spreading habit that typically grows to 10-15’ tall. Viburnum opulus 'Roseum' (syn. Similar Images . Viburnum opulus 'Roseum' syn. You can easily satisfy your desires because seven different viburnum shrubs go by the name snowball bush. It is now considered a variety (varietas, var.) The Garden wouldn't be the Garden without our Members, Donors and Volunteers. It has greyish, hairless stems. Its leaves color wine-red to dark-red during fall. ‘Fructu-luteo’. Viburnum Opulus Roseum the common snowball shrub requires moist and moderately alkaline loamy soil to grow and bloom. long, with two thin … The fruits are used for making jam. It rarely or never flowers. The most prevalent diseases affecting viburnums are fungal diseases of the foliage. Raf. Their flowers range from sweetly fragrant to unpleasantly scented and are primarily creamy white, but can vary from white to pink.
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