Japanese Barberry bush
I just read an article about the 10 plants you don't want to have and it said the Japanese Barberry is one. It says that it harbors the black legged tick that carries Lyme disease. I have these in my yard. Have you heard that?
Certified GKH Gardening Expert
This information has been out for a few years.
The Japanese Barberry shrub is actually listed as invasive in many parts of the country.
Here is a link with more information.