Hesperide requires research.
Hiawatha requires research.
Highwie is a synonym of Panache.
Canna 'Hilary Owens' is a small Premier Group cultivar, with green leaves and pink flowers.
Hippolyte Flandrin requires research.
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.