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.
Canna 'Circe' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'City of Gloucester' is a medium-sized Crozy Group cultivar, with dark leaves and pink flowers.
Canna 'City of Portland' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Claire requires research.
Canna 'Clans' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Claude Bernard requires research.
Canna 'Cleopatré' is a small Crozy Group cultivar, with green leaves and orange flowers.
Colette requires research.
Canna 'Colibri' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Colonel Voillard' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Colortime' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Colossal White requires research.
Canna 'Columbia' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Commandant Dubois' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Commandant Faurax' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Commandant Rivière' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Compact de Villée' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Compte de Bouchaud' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.