Canna 'speciosa (Roscoe) Hook.' is a medium-sized cultivar, with green leaves and multi-coloured flowers.
Canna 'Spiderman' is a giant Foliage Group cultivar, with green leaves and red flowers.
Canna 'Spotted Fever' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Spritzii' is a medium-sized Foliage Group cultivar, with green leaves and orange flowers.
Canna 'Stadt Fellbach' is a medium-sized Crozy Group cultivar, with green leaves and orange flowers.
Canna 'Stadtrath Heidenreicht' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Star of India' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Starlight' is a medium-sized cultivar, with green leaves and white flowers.
Canna 'Stars and Stripes' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Statue of Liberty' is a tall Italian Group cultivar, with dark leaves and red flowers.
Canna 'Storm Boy' is a medium-sized Crozy Group cultivar, with dark leaves and orange flowers.
Canna 'Strasbourg' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Strawberry Delight' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'Striata (1)' is a medium-sized Foliage Group cultivar, with green leaves and multi-coloured flowers.
Striata (2) is a synonym of Bengal Tiger.
Striatum is a synonym of Bengal Tiger.
Canna 'Strike Gold' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Striped Beauty (2) is a synonym of Trinacria Variegata.
Striped Beauty of Bangkok is a synonym of Trinacria Variegata.
Striped Wonder is a synonym of Bengal Tiger.