A
much-branched shrub, it is erect in youth,
spreading out with age and making a densely
foliaged plant.
6 feet
The leaves
have a spiny margin, are 1 inch long and have a
good green color in the summer. In milder climates,
the foliage remains green throughout the winter.
Turns bronze-red in late autumn
Dull, dark red
Hybrid shrub (B. juiianae X B.
thunbergi) is often mistaken for the Japanese
Barberry.
Another hybrid, Berberis horvathi, is very
similar to the Mentor Barberry but, supposedly, is more
hardy.
