Bubblegum
Canna 'Bubblegum' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
buekii Weinm.
buekii Weinm. is a synonym of pedunculata Sims.
Buisson fleuri
Buisson fleuri requires research.
Bunny
Canna 'Bunny' is a small Crozy Group cultivar, with green leaves and pink flowers.
Burbank
Canna 'Burbank' is a medium-sized Italian Group cultivar, with green leaves and yellow flowers.
Burgundia
Canna 'Burgundia' is a medium-sized Italian Group cultivar, with green leaves and multi-coloured flowers.
Burgundy Blush
Canna 'Burgundy Blush' is a giant Foliage Group cultivar, with dark leaves and red flowers.
Burnt Orange
Burnt Orange requires research.
Butter Ball
Butter Ball requires research.
Butter Snap
Butter Snap requires research.
Buttercup
Canna 'Buttercup' is a small Crozy Group cultivar, with green leaves and yellow flowers.
Butterfly Kisses
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.
Butterscotch
Canna 'Butterscotch' is a small Crozy Group cultivar, with green leaves and yellow flowers.