Available from one nursery in UK and not at all in Europe..
Found as a chance seedling growing by stream at Hodnet Hall Garden in Shropshire, UK.
A davidii hybrid.

A striking plant ideal for the back of borders or as an accent plant.
Tall with dark purple narrow panicles of flowers.
Excellent habit and flowers freely every year.
Does need plenty of water to bring out its best.

Very Tall – greater than 1m

Late – after July 31st

colour

Strong reddish-purple
shape
Trullate
density
Moderately dense
density of flowers
Dense
Colour
Mid-green
Nodes Colour
Red
Surface
Glossy