B. Cousançat requires research.
Canna 'Baby Pink' is a small Crozy Group cultivar, with dark leaves and pink flowers.
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.
Bannière requires research.
Barbara requires research.
Barbara Hallman 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.
Canna 'Bayadère' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Beatrix requires research.
Canna 'Beaulieu' is a medium-sized cultivar, with green leaves and red flowers.
Beausoleil requires research.
Canna 'Beauté de Poittevine' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.