Canna 'bangii' is a giant species, with green leaves and red flowers.
Canna 'Baronne de Renowardy' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Beaulieu' is a medium-sized cultivar, with green leaves and red flowers.
Canna 'Beauté de Poittevine' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Ben Thumb' is a miniature Miniature Group cultivar, with green leaves and red 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 'Bihorelli' is a medium-sized Foliage Group cultivar, with dark leaves and red flowers.
Canna 'Black Cleopatra' is a giant Italian Group cultivar, with dark leaves and red flowers.
Canna 'Black Knight' is a tall Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Black Magic' is a small Crozy Group cultivar, with green leaves and red flowers.
Black Night_x000D_
Canna 'Black Night'
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see Assaut_x000D_
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Canna 'Black Night' - see Assaut
Boca Blue requires research.
Canna 'Brandywine' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Brandywine (2)' is a small Conservatory Group cultivar, with green leaves and red flowers.
Canna 'Braunt Orange' is a small cultivar, with green leaves and red flowers.
Canna 'Breuil' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Brillant' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Burgundy Blush' is a giant Foliage Group cultivar, with dark leaves and red flowers.