The U.S. National Arboretum presents Viburnum x rhytidophylloides 'Alleghany', an outstanding hybrid viburnum. The dark green, leathery foliage is an excellent foil for a host of small, yellowish-white flowers in late May and early June, as well as brilliant red fruit in September. 'Alleghany' has a wide range of hardiness and landscape uses.
Recognition: Colorado's Plant Select Program, 1997.
|Botanical Name:||Viburnum x rhytidophylloides Sur. 'Alleghany'|
|Hardiness:||U.S.D.A. Zones 5-8|
|Development:||A select plant of Viburnum rhytidophyllum was crossed with Viburnum lantana 'Mohican' in 1953. A seedling from this cross was self-pollinated to obtain the F2 seedling population from which 'Alleghany' was selected in 1958, named and released in 1966.|
|Significance:||'Alleghany' may be distinguished from related cultivars by very dark green, leathery leaves, abundant inflorescences, resistance to bacterial leaf spot, hardiness, and vigorous, globose growth habit.|
Height and width: 10 1/2 feet tall and 11 feet wide.|
Habit: Deciduous to semi-evergreen, vigorous, dense, globose shrub.
Foliage: Semi-persistent, very dark green, rugose, leaves are intermediate between the two parents, smaller than V. rhytidophyllum and more leathery than V. lantana. Resistant to bacterial leaf spot.
Flowers: Abundant cymes of small, yellowish-white fertile flowers in late May to early June.
Fruit: A drupe. Brilliant red fruit for several weeks in September and October ripen to blue-black. Fruit clusters will contain both red and black fruit at one time. A favorite of birds.
|Culture:Development:||Easy to transplant and grow, 'Alleghany' is adaptable to full sun or partial shade. Much hardier than the leatherleaf viburnum, it grows well at both extremes of its hardiness range. Prefers a moist, well-drained soil. Extremely windy sites should be avoided.|
|Propagation:Hardiness:||Roots easily from semi-hardwood or hardwood cuttings under mist, 1000-3000 ppm IBA, in 4-6 weeks.|
|Landscape Use:||Specimen plant, massed group, or combined with other broad-leaved evergreens in the shrub border. Often used in recreational areas and commercial plantings such as malls.|
|Availability:||Readily available from mail-order firms and retail and wholesale nurseries.|
U.S. National Arboretum Plant Introduction
Floral and Nursery Plants Research Unit
U.S. National Arboretum, U.S. Department of Agriculture, Agricultural Research Service, 3501 New York Ave., N.E., Washington, DC 20002
Last Updated January 14, 2002
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