Canna 'Caballero' is a small Crozy Group cultivar, with green leaves and yellow flowers.
Caiman requires research.
Caliente requires research.
Canna 'California' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
California Red requires research.
California Sunset requires research.
Canna 'Camille Bernardin' is a tall Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Campaign' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Cancer' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Candelabra requires research.
Canna 'CannaSun Adriana™' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'CannaSun Fabiola™' is a small Crozy Group cultivar, with green leaves and orange flowers.
Canna 'CannaSun Gloria™' is a small Crozy Group cultivar, with dark leaves and orange flowers.
Canna 'Cannes' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Cannova Red Golden Flame' is a small Crozy Group cultivar, with green leaves and red flowers.
Cap Camarata requires research.
Canna 'Capiciana' is a small Crozy Group cultivar, with green leaves and red flowers.
Capitaine P. de Suzzoni requires research.
Capri (1) requires research.
Canna 'Capri (2)' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.