Gorgeous rhododendrons in this beautiful shade of purple; they tend to get overgrown and "bushy." So, you can trimmed out the entire bottom making the bush into a tree; then planted some shade-loving plants beneath it.
Common Names: Purple smoke bush, smokebush, smoketree, purple smoke tree. Zones Size & Shape: Purple smoke bush grows to a size of tall and wide. It is irregular to rounded. Exposure: Grow purple smoke bush in full sun.
The classic butterfly bush is a very fast-growing shrub and supremely easy to grow. It has vigorous growth and long cones of purple flowers that bees and butterflies love. Other varieties are available with white, gold and dark purple flowers.
In my yard: Cottinus coggygria ‘Royal Purple’ . considered a tree but I grow it as a shrub, whacking it back to the ground each spring to keep the height lower and make it bush out. easily grows tall in a season. glows purple with the sun behind it.