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.
Bannière 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.
Canna 'Bedouin' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Begonia requires research.
Canna 'Bejewelled' is a medium-sized Premier Group cultivar, with green leaves and orange flowers.
Canna 'Beloved' is a medium-sized Crozy Group cultivar, with green leaves and white flowers.
Canna 'Bengal Tiger' is a medium-sized Italian Group cultivar, with variegated leaves and orange flowers.