The two smaller ones appear to be the old Crimson Pygmy variety and the larger one looks like just the plain old “red.” Because of this fact I don’t think you can keep them looking the same.

What: Dwarf Purpleleaf Japanese Barberry, or berberis thunbergii f. atropurpurea Concorde, was selected for its small, compact size and dense growth. In spring, deep red-burgundy foliage emerges ...

The shrub is already banned in New York, Maine, and other states. It’s a haven for ticks and mice. A red crimson Japanese barberry bush (Berberis thunbergii) grows in the middle of a decorative garden ...

State scientists believe removing a common, invasive shrub called Japanese barberry (berberis thunbergii) can help reduce the Lyme disease-carrying tick population by as much as 60 percent, but ...