Matador requires research.
Canna 'Mattie Cole' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Maudie Malcolm' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Maverick Magenta' is a medium-sized Crozy Group cultivar, with dark leaves and pink flowers.
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.
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.
Mendelien requires research.
Canna 'Merle Cole' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Meteor' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Meyerbeer' is a medium-sized Premier Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Michelle Louise' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'Michelle M.' is a medium-sized Crozy Group cultivar, with dark leaves and pink flowers.
Canna 'Mignon' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Milk Festival' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and white flowers.
Canna 'Mine d'Or' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Minerve' is a tall Crozy Group cultivar, with green leaves and red flowers.