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.
Canna 'Berenice Emsley' is a medium-sized Premier Group cultivar, with green leaves and red flowers.
Canna 'Beslon Rouge' is a medium-sized Premier Group cultivar, with dark leaves and red flowers.
Canna 'Bethany' is a medium-sized Italian Group cultivar, with variegated leaves and multi-coloured flowers.
Canna 'Betsy Ross' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.