Canna 'Le Vesuve' is a tall Italian Group cultivar, with green leaves and red flowers.
Legionnaire is a synonym of Légionnaires.
Canna 'Légionnaires' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Lemoinei' is a tall Foliage Group cultivar, with green leaves and orange flowers.
Lemon & Gin requires research.
Canna 'Lemon Butter' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Lemon Chiffon' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Lemon Gem' is a small Crozy Group cultivar, with green leaves and yellow flowers.
Lemon Schertzo requires research.
Lemon Yellow is a synonym of Yellow Leopard.
Lemon Zest is a synonym of Austria.
Canna 'Lemonade' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Lenape' is a medium-sized Conservatory Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Leo' is a medium-sized Crozy Group cultivar, with dark leaves and pink flowers.
Leo Vaughan requires research.
Leon Vasillière requires research.
Leopard requires research.
Canna 'Léopardeau' is a small Premier Group cultivar, with green leaves and yellow flowers.
Canna 'Leopoldii' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Leprechaun' is a small Foliage Group cultivar, with green leaves and red flowers.