Berberis x mentorensis
Mentor Barberry
Berberidaceae
ExpandHabitat
- 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