Be sure to plant a smoke bush in a spot that gets full sun—at least six hours a day. While they're highly tolerant of different types of soil, it needs to be well draining.
Will smoke bush grow in shade?
Tips for Growing Smoke Trees
They grow well in a high pH soil and should be located where they can get full sun or partial shade, however, they do prefer full sun and will bloom at their best in full sun. When the smoke tree blooms it is a beautiful tree.
What conditions does a smoke bush like?
The smoke bush needs well-drained, fertile soil and a spot in a border in full sun or partial shade. Mulch annually with well-rotted manure or leaf mould in spring. It requires little or no pruning.