Canna 'Weinsap Red' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Whispering Spiritgle' is a medium-sized Premier Group cultivar, with green leaves and orange flowers.
Canna 'White Princess' is a medium-sized Premier Group cultivar, with green leaves and white flowers.
Canna 'White Tiger' is a medium-sized Crozy Group cultivar, with variegated leaves and yellow flowers.
Canna 'Whithelm Pride' is a small Premier Group cultivar, with dark leaves and pink flowers.
Windsor requires research.
Canna 'Wine and Roses' is a small Crozy Group cultivar, with dark leaves and pink flowers.
Canna 'Wine'n Roses' is a medium-sized Crozy Group cultivar, with dark leaves and pink flowers.
Canna 'Wintzer's Colossal' is a tall Italian Group cultivar, with green leaves and red flowers.
Canna 'Wolf Song' is a medium-sized Foliage Group cultivar, with variegated leaves and red flowers.
Canna 'Wyoming' is a tall Italian Group cultivar, with dark leaves and orange flowers.
Canna 'Wyoming Dwarf' is a small Italian Group cultivar, with dark leaves and orange flowers.