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

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Dawn - Dusk
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Cultural Details for Betula populifolia 'Whitespire'

Common Name:
Whitespire Gray Birch

Growth Rate:
Averaging 2' per year.

Average Mature Height:
30-40'

Average Mature Width:
20-25'

Flower Details:
Staminate, 2-3.5" long, catkin borne singly at the end of the branches, rarely in 2's.

Fruit Details:
Small nutlet; 0.75-1.25" long.

Fall Color:
Yellow

Bark Details:
Chalky white, non-exfoliating; marked with black triangles at the base of lateral branches.

Disease / Insect Problems or Resistance:
Resistant to bronze birch borer

Native Habitat:
The Gray Birch species is native to the United States.

Other Features:
Spire-like form. It is fine-textured.

Culture and Care:
Transplant B&B in spring; grows in the poorest of sterile soils; will grow on sandy, rocky, gravelly sites and also heavier soils; tolerates wet and dry conditions; full sun, intolerant of competition; chlorotic in extremely high pH soils.

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

Plantings of this cultivar at Boone County Arboretum:
3440, 3450, 3460, 3470, 3480

    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. www.ces.ncsu.edu
  • University of Connecticut Plant Database. www.hort.uconn.edu