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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Cultural Details for Berberis x mentorensis

Common Name:
Mentor Barberry

Growth Rate:
Medium to fast, good rapid-growing hedge plant.

Average Mature Height:
5'

Average Mature Width:
5-7'

Flower Details:
Yellow, usually April-May, not as showy as other species but still attractive; somewhat offensive to the olfactory senses.

Fruit Details:
Was assumed sterile, but in 1991 red fruits were produced at the Arnold Arboretum.

Fall Color:
Yellow-orange-red in late Fall.

Bark Details:
Stems glabrous. Relatively thick stems and branches have one-, two-, or three-pointed spines. Younger branches often have single spines

Disease / Insect Problems or Resistance:
None serious, Verticillium wilt has been reported

Native Habitat:
Result of breeding work of M. Horvath, Mentor, OH. Result of cross between B. julianae and B. thunbergii. Introduced 1942.

Other Features:
Excellent hedge plant because of uniform growth rate; makes excellent barrier plant because of thorns. Use for massing, shrub border, & foundation. Best barberry for hedging in Midwest and East.

Culture and Care:
Easily transplanted, very adaptable, full sun to half shade; well-drained soil preferable. Roots readily.

This plant was blooming:

Plantings of this cultivar at Boone County Arboretum:
Bed 73

    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