Canna 'Cheerfulness' is a medium-sized Crozy Group cultivar, with green leaves and orange flowers.
Canna 'Cherokee' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Cherry Margarita' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Cherry Red' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Cherub requires research.
Canna 'Chesapeake' is a medium-sized Conservatory Group cultivar, with green leaves and white flowers.
Cheshunt Yellow requires research.
Canna 'Cheyenne' is a medium-sized Premier Group cultivar, with green leaves and orange flowers.