Charmer requires research.
Canna 'Charming' is a medium-sized Crozy Group cultivar, with dark leaves and yellow flowers.
Charmion requires research.
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.
Cheshunt Yellow requires research.
Chevalier Besson requires research.
Canna 'Chevreuil' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Childsii' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'China Doll (1)' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'China Doll (2)' is a small Crozy Group cultivar, with green leaves and pink flowers.
Canna 'China Lady' is a small Crozy Group cultivar, with green leaves and pink flowers.
Canna 'China Lass' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'China Rose' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Chinese Coral' is a small Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Chinese Lantern' is a tall Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Chouchou' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.