Dark Victory
H. 'Dark Victory'
Waxy dark green seersuckered leaves, supposedly very vigorous but we haven't found it to be so thus far.

Alternative: H. 'Purple Profusion'
Plant Size
  Medium: 16" x 27"  
Leaf
  6" x 4"; green  
Flower
  Purple  
Parentage
  H. lancifolia 'Minor' hybrid  
Dark VictoryDark Victory