Native of China. Stunning violet-blue four petaled flowers in clusters from the leaf axils. Scented. 2.5m tall but can be cut down in spring to keep compact. Sun, cool roots.
Spring
Summer
Autumn
Winter
Evergreen
Acid
Neutral
Alkaline
Full Light
Dappled Light
Partial Shade
Part Day Shade
Full Shade
Plant awarded RHS AGM