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 'Calimero' is a small Premier Group cultivar, with green leaves and pink flowers.
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 'Campania' is a medium-sized Italian Group cultivar, with green leaves and yellow 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 Bronze Orange' is a miniature Miniature Group cultivar, with green leaves and orange flowers.
Canna 'Cannova Bronze Scarket' is a miniature Miniature Group cultivar, with green leaves and red flowers.
Canna 'Cannova Lemon' is a miniature Miniature Group cultivar, with green leaves and yellow flowers.
Canna 'Cannova Mango' is a miniature Miniature Group cultivar, with green leaves and pink flowers.