I bought this at a nursery and the leaves are worsening with yellow.
21+ Yellowing Leaves On Butterfly Bush. I cant see any bugs underneath the leaves. Heat stress can cause the yellowing leaves, as can overwatering.
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Some cultivars of butterfly bush may die back to the roots during a harsh. Even after you correct the problem, it's still likely that the yellow leaves will fall off with time. Butterfly bush is an introduced shrub from china that has been widely planted as an ornamental and butterfly cultivars have been developed with a range of colors including red, magenta, blue, orange, yellow edges of the leaves are toothed.
Introduction to the butterfly bush :
Butterfly bushes are a favorite among many gardeners. Butterfly bushes are a favorite among many gardeners. Some cultivars of butterfly bush may die back to the roots during a harsh. Even after you correct the problem, it's still likely that the yellow leaves will fall off with time.
