Canna 'Gemini' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Geoffrey St. Hilaire' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Giant Red' is a tall Foliage Group cultivar, with green leaves and red flowers.
Canna 'Golfe Juan' is a medium-sized cultivar, with dark leaves and red flowers.
Grand Opera Series requires research.
Grandiflora picta requires research.
Canna 'Happy Carmen' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Harmony' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Heinrich Seidal' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
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Canna 'Hercule'
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Canna 'Hercule' - see Assaut
Canna 'Herman' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'India Prince' is a small Foliage Group cultivar, with dark leaves and red flowers.
Canna 'indica f. Australia Red' is a medium-sized species, with green leaves and red flowers.
Canna 'indica f. Belize' is a small species, with green leaves and red flowers.
Canna 'indica f. cherry red' is a small species, with green leaves and red flowers.
Canna 'indica f. Henlade Red' is a medium-sized species, with green leaves and red flowers.
Canna 'indica f. Kress' is a medium-sized species, with green leaves and red flowers.
Canna 'indica f. Regal Red' is a medium-sized species, with green leaves and red flowers.
Canna 'indica f. Tamaulipas' is a medium-sized species, with green leaves and red flowers.
Canna 'indica f. Variabilis' is a medium-sized species, with green leaves and red flowers.