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.
Chevalier Besson requires research.
Canna 'Chevreuil' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Cheyenne' is a medium-sized Premier Group cultivar, with green leaves and orange 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 'China Ruby' is a medium-sized cultivar, with green leaves and red 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.
Christ's Light is a synonym of Trinacria Variegata.
Canna 'Cinnabarina' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Cipières' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.