Black Velvet is a synonym of Assaut.
Black Warrior requires research.
Blackcurrant Flush requires research.
Blanche requires research.
Blanche Wintzer requires research.
Blanchette requires research.
Blazing Torch requires research.
Bleeding Heart requires research.
Blue Steel requires research.
Canna 'Blueberry Sparkler' is a tall cultivar, with dark leaves and pink flowers.
Canna 'Blushing Beauty' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Blushing Bride is a synonym of Blushing Beauty.
Bo Peep requires research.
Boca Blue requires research.
Bois de Villée requires research.
Canna 'Bonetti' is a giant Foliage Group cultivar, with green leaves and orange flowers.
Bonetti major requires research.
Bonetti semperflorens requires research.
Bonfire is a synonym of indica var. coccinea (Mill.) Aiton.
Bonne Etoile requires research.