Herkules
H. 'Herkules'
An introduction from Heinz Klose of Germany and different from the American H. 'Hercules'…large heart-shaped blue-green leaves on a rapid grower that turns into a huge clump.

Alternative: H. 'Blue Mammoth'
Plant Size
  Giant: 30" x 60"  
Leaf
  13" x 9"; blue-green  
Flower
  Light lavender striped  
Parentage
  Debate over whether this cultivar has H. sieboldiana or H. 'Fortunei' origins.  
Herkules