August 17, 2010, Vermont Public Radio news:
“There’s a recognition that at some point in the future these plants will be added to the state’s quarantine list which will make them illegal to sell. The idea is to get in front of that quarantine list and get them to voluntarily agree to stop selling or designing or installing these plants.” — Dan Redondo, Greenworks
Read more here.
Above: Some of the invasives on the voluntary “do not sell/do not plant” list have been popular for their autumn coloration: Burning Bush (Euonymus alatus/Leslie J. Mehrhoff, University of Connecticut), Japanese Barberry (Berberis thunbergii/Britt Slattery, USFWS), Norway Maple (Acer platanoides/Britt Slattery, USFWS).