Canna 'Cora' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Corail' is a small Crozy Group cultivar, with dark leaves and orange flowers.
Cornelius Cole requires research.
Canna 'Corrida' is a small Crozy Group cultivar, with green leaves and red flowers.
Cote d'Or is a synonym of Côte d'Or.
Canna 'Côte d’Or' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.