Humbert President
Humbert President requires research.
humilis Bouché
humilis Bouché is a synonym of patens (Roscoe) Tb. Tanaka.
Hummingbird Ecstasy
Hummingbird Ecstasy requires research.
Hungaria
Canna 'Hungaria' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.