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.
Canna 'Miss Ann' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Miss B. Brunner' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Miss Poland' is a medium-sized Crozy Group cultivar, with green leaves and white flowers.
Miss Sarah Hill requires research.
Missouri requires research.
Canna 'Mistress Dread' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Momma Wanda' is a medium-sized Premier Group cultivar, with green leaves and red flowers.
Canna 'Monet' is a small Premier Group cultivar, with green leaves and pink flowers.
Canna 'Monet Sunset' is a medium-sized Premier Group cultivar, with green leaves and yellow flowers.
Canna 'Moonbeam' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Moonlight' is a medium-sized Crozy Group cultivar, with green leaves and white flowers.
Canna 'Moulin Pink' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'Moulin Rouge' is a medium-sized Australian Group cultivar, with green leaves and pink flowers.
Canna 'Mr President' is a medium-sized Premier Group cultivar, with green leaves and red flowers.
Canna 'Mrs Alfred F. Conard' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'Mrs Antoine Wintzer' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Mrs Kate Gray' is a medium-sized Italian Group cultivar, with green leaves and orange flowers.