Canna 'Crimson Beauty' is a medium-sized Premier Group cultivar, with green leaves and red flowers.
Canna 'Crista' is a medium-sized Premier Group cultivar, with green leaves and yellow flowers.
Canna 'Croome' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'Cupid' is a small Crozy Group cultivar, with green leaves and pink flowers.
Daffodil requires research.
Canna 'Daniel Hooibrenk' is a medium-sized Foliage Group cultivar, with green leaves and red flowers.
David Harem is a synonym of David Harum.
Canna 'David Harum' is a medium-sized cultivar, with dark leaves and red flowers.
Canna 'Dawn's Early Light' is a tall Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Declaration' is a medium-sized Conservatory Group cultivar, with green leaves and red flowers.
Canna 'Delaware' is a medium-sized Conservatory Group cultivar, with green leaves and pink flowers.
Canna 'Délibáb' is a small Crozy Group cultivar, with dark leaves and orange flowers.
Canna 'Député Hénon' is a medium-sized Foliage Group cultivar, with green leaves and yellow flowers.
Canna 'Dessert' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Deutscher Kronprinz' is a medium-sized Italian Group cultivar, with dark leaves and red flowers.
Canna 'Di Bartolo' is a tall Foliage Group cultivar, with dark leaves and red flowers.
Canna 'Direktor Wallmark' is a medium-sized Crozy Group cultivar, with dark leaves and white flowers.
discolor is a synonym of discolor var. discolor (Lindl.) Nb.Tanaka.
Canna 'discolor var. discolor (Lindl.) Nb.Tanaka' is a tall cultivar, with dark leaves and red flowers.
Canna 'discolor var. rubripunctata Nb.Tanaka' is a tall cultivar, with green leaves and multi-coloured flowers.