Maxima Purpurea requires research.
Canna 'May Vince' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Mazurka' is a tall Crozy Group cultivar, with dark leaves and red flowers.
Melanie is a synonym of Centenaire de Rozain-Bourcharlat.
Canna 'Mellow Yellow' is a small Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Melody Dream' is a small Crozy Group cultivar, with green leaves and pink flowers.
Melpomene requires research.
Melrose requires research.
Mendelien requires research.
Ménélik requires research.
Menton requires research.
Mephisto requires research.
Mércure requires research.
meridensis Kraenzl. is a synonym of paniculata.
Canna 'Meriem Lombard' is a medium-sized Crozy Group cultivar, with green leaves and white flowers.
Merinda requires research.
Canna 'Merle Cole' is a small Crozy Group cultivar, with green leaves and red flowers.
Metallica requires research.
Metallicoides requires research.
Canna 'Meteor' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.