Canna 'Borneo' is a medium-sized Premier Group cultivar, with dark leaves and pink flowers.
Borussia requires research.
Canna 'Bounty' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Brandywine' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Brenda Elaine' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Breuil' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Bridal Veil' is a medium-sized Crozy Group cultivar, with dark leaves and white flowers.
Bridesmaid requires research.
Canna 'Britannia' is a medium-sized Italian Group cultivar, with green leaves and multi-coloured flowers.
Brocade (1) requires research.
Canna 'Brocade (2)' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Bronze Bedder requires research.
Bronze Poitevin requires research.
Canna 'Bubblegum' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'Burbank' is a medium-sized Italian Group cultivar, with green leaves and yellow flowers.
Canna 'Burgundia' is a medium-sized Italian Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Butterfly Kisses' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and pink flowers.