Connecticut Nursery and Landscape's Bob Heffernan writes:
We're almost at the two-year mark in CNLA's three-year plan to stop producing and selling 25 barberry cultivars deemed to have higher invasive potential by UConn research. Our industry has committed to a June 30, 2013 deadline.
Look for the banned list and the OK list here: http://www.flowersplantsinct.com/invasive_index.htm