Hosta U-V-W-X-Y-Z

Undulata
Undulata Albomarginata
Undulate Erromena
Undulata Univittata
Unforgettable 
ventricosa
venusta
Veronica Lake
Whirling Dervish
Whirlwind
White Christmas
Wide Brim
Winfield Blue
Wolverine
Yellow Splash Rim
Yoshinogawa