Hercules
H. 'Hercules'
Blue leaves and distinct from H. 'Herkules' by the shape of the leaf and depth of blue.

Alternative: H. 'Blue Angel'
Plant Size
  Giant: 33" x 70"  
Leaf
  14" x 11", blue-green  
Flower
  Pale lavender  
Parentage
  H. 'Sagae' hybrid  
HerculesHercules