Chautauqua requires research.
Canna 'Cherokee' 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 'Cheyenne' is a medium-sized Premier Group cultivar, with green leaves and orange flowers.
Chicago requires research.
Chiswick King requires research.
Chocolate Orange requires research.
Christ's Light is a synonym of Trinacria Variegata.
Christian Breuninger requires research.
Christiane requires research.
Cicindéle requires research.
Cinnabab requires research.
Cinnabar requires research.
Canna 'Cinnabarina' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Circe' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Citoyen de Cronstadt requires research.
City of Worcester requires research.