Butterfly Bush 'Black Knight' #2 recd3-16-37 the leaves change to a

the leaves change to a mixture of red

Euonymus alatus 'Compactus'

It is a physiological disorder (not a disease) caused by a lack of calcium

compact habit

Butterfly Bush 'Black Knight' #2 recd3-16-37 the leaves change to aBuddleia davidii a deciduous butterfly bush prized for its deep purple to nearly black fragrant flower spikes that bloom from early summer through fall. This vigorous shrub grows 68' tall naturally or 45' if pruned back in late winter, with an arching, spreading habit. A highly effective pollinator plant that thrives in full sun and attracts butterflies and other beneficial insects throughout the season.