Hofgartendirector Graebener requires research.
Hofgartendirector Lauche requires research.
Hofgartendirector Walter requires research.
Hofgartendirector Wendland requires research.
Holland Striped is a synonym of Stuttgart.
Honey Child requires research.
Canna 'Honey Mango' is a medium-sized Crozy Group cultivar, with green leaves and orange flowers.
Honeybunch requires research.
Canna 'Honeycomb' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Horizon requires research.
Canna 'Horn' is a small Crozy Group cultivar, with green leaves and pink flowers.
Hosanna requires research.
Canna 'Hossegor' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Hostei requires research.
Hot Pink requires research.
Canna 'Howzat' is a medium-sized Australian Group cultivar, with dark leaves and yellow flowers.
Humbert President requires research.
humilis Bouché is a synonym of patens (Roscoe) Tb. Tanaka.
Hummingbird Ecstasy requires research.