Canna 'Scarlet Fever' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Schwabenland' is a tall Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Sémaphore' is a medium-sized Crozy Group cultivar, with dark leaves and yellow flowers.
Canna 'Sentinel' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Shell Pink' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Shenandoah' is a medium-sized Crozy Group cultivar, with dark leaves and pink flowers.
Canna 'Showman' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Snow White' is a small Crozy Group cultivar, with green leaves and white flowers.
Canna 'Soliel d'Or' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Sophie Buchner' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Souvenir de Antoine Crozy is a synonym of Antonin Crozy.
Souvenir de François Gaulin requires research.
Canna 'Souvenir de Jeanne Crozy' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Souvenir de Madame Crozy' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Souvenir de Madame Nardy' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Souvenir de Robert Owen' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Spotted Fever' is a small Crozy Group cultivar, with green leaves and multi-coloured 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.