Gay Feather
H. 'Gay Feather'
Medium blue-green with light greenish yellow margins that can run to center - margins fade during season.

Alternatives: h. 'Celebration', h. 'Sea Thunder'
Plant Size
  Medium: 14" x 30"  
Leaf
  7" x 3"; white, green margins - centre albescence  
Flower
  Purple  
Parentage
  Sport of h. 'Yellow Splash'  
Images to follow
In the meantime check out the Hosta Library