Canna 'Gran Canaria' is a medium-sized Crozy Group cultivar, with green leaves and white flowers.
Canna 'Grand Duc' is a medium-sized Crozy Group cultivar, with dark leaves and orange flowers.
Grand Opera Series requires research.
Canna 'Grandiflora floribunda' is a medium-sized Foliage Group cultivar, with green leaves and pink flowers.
Grandiflora picta requires research.
Canna 'Green Wyoming' is a tall Italian Group cultivar, with green leaves and pink flowers.
Canna 'Grossherzog Ernst Ludwig von Hessen' is a medium-sized Crozy Group cultivar, with dark leaves and orange flowers.