Canna 'Austra' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Austria' is a medium-sized Italian Group cultivar, with green leaves and yellow flowers.
Canna 'Autumn Dragon' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Autumn Gold' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Avant Garde' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Avenir requires research.
Canna 'Avranches' is a medium-sized Premier Group cultivar, with green leaves and orange flowers.
B. Cousançat requires research.
Canna 'Baltazar' is a medium-sized Premier Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Bambi' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'bangii' is a giant species, with green leaves and red flowers.
Banner requires research.
Canna 'Baron Sequier' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Baronne Clara de Hirsch requires research.
Canna 'Baronne de Pouilly' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'Baronne de Renowardy' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Barrone de Sandrans requires research.
Canna 'Bavaria' is a medium-sized Italian Group cultivar, with green leaves and multi-coloured flowers.