Notes
'Treetop' - hardy adult form; produces flowers and fruit; probably best avoided in areas where this species is invasive
Other Cultivars for this plant
'Arborescens', 'Baltica', 'Bulgaria', 'Buttercup', 'Hibernica', 'Ogalalla', 'Purpurea', 'Rochester', 'Thorndale', 'Treetop', 'Wilsonii'
