Berberis x mentorensis

Mentor Barberry

Berberidaceae

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Habitat

  • cross between B. julianae and B. thunbergii
  • zone 5

Habit and Form

  • a semievergreen shrub
  • upright, rounded habit
  • 5' tall with an equal or slightly greater width
  • medium growth range
  • medium texture

Summer Foliage

  • simple, semi-evergreen leaves
  • alternate leaf arrangement
  • 1" to 2" long
  • leaf margin entire or sparinly spiny at the apex
  • leaves more leathery than B. thunbergii
  • dark green leaf color

Autumn Foliage

  • yellowish-red fall color
  • leaves hold late into the fall

Flowers

  • yellow flowers
  • flowers borne in long, pendulous clusters
  • blooms in mid April
  • showy

Fruit

  • red fruit
  • doesn't fruit often

Bark

  • glabrous, reddish brown bark
  • 3-pronged spines on long branches
  • younger stems may have only 1 spine

Culture

  • easily transplanted
  • full sun to partial shade
  • prefers well-drained soil

Landscape Use

  • border
  • massing or grouping
  • hedge
  • barrier due to thorniness

Liabilities

  • large thorns and spiny leaves make the plant difficult to manage
  • avoid use where small children will be present
  • collects litter and leaves around the base

ID Features

  • yellow inner wood
  • semi-evergreen thick leaves
  • small, scaly buds
  • large, 3 pronged spines at nodes
  • glabrous, reddish-brown bark on stems
  • yellow flowers in spring
  • red fruit in fall
  • suckers

Propagation

  • by cuttings

Cultivars/Varieties

  • none

© Copyright Mark H. Brand, 1997-2015.

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Citation and Acknowledgements: University of Connecticut Plant Database, http://hort.uconn.edu/plants, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.