Boone County Arboretum
9190 Camp Ernst Road
Union, Kentucky 41091
Phone: (859) 384-4999
Fax: (859) 384-6888

Open Daily
Dawn - Dusk
Free Admission

Join Our Email List

Contact Us

Information on invasive species

Emerald Ash Borer Information

Horticutural Links

Donate to the Boone County Arboretum

Boone County Arboretum

Promote Your Page Too

Employee Login

Cultural Details for Viburnum plicatum 'Newzam'

Common Name:
Newport® Doublefile Viburnum

Growth Rate:

Average Mature Height:

Average Mature Width:

Flower Details:
Snowball-like clusters of sterile snow-white flowers 0.75-1.5" wide, with 4-5 lobes in May. Flowers profusely when mature, though not fragrant. Generally, V. plicatum plants flower 2-3 weeks later than V. p. var. tomentosum plants.

Fruit Details:
Rarely fruits.

Fall Color:
Burgundy leaves.

Bark Details:
Young branches stellate tomentose; older branches dark gray or brownish, orangish lenticels

Disease / Insect Problems or Resistance:
No serious diseases, though heat and drought of the summer may induce marginal leaf necrosis.

Native Habitat:
China, Japan. Introduced 1865. Zone 5 to 7(8).

Other Features:
V. plicatum cultivars are possibly the most elegant of flowering shrubs.

Culture and Care:
Fibrous rooted, transplants well, demands moist, well-drained soil; will not tolerate heavy, clayey, poorly drained soils. Cut back to 12" from the ground to rejuvenate old overgrown or ratty branches.

This plant was blooming:
4/19/2010 - 5/19/2010

Plantings of this cultivar at Boone County Arboretum:
Bed 159

    The information on this page may have come from one or more of the following sources:
  • Dirr, Michael. Manual of Woody Landscape Plants. Stipes Publishing. 1998.
  • Hightshoe, Gary L. Native Trees, Shrubs, and Vines for Urban and Rural America. John Wiley & Sons. 1988.
  • North Carolina Extension Plant Fact Sheets.
  • University of Connecticut Plant Database.