Secrétaire Courbet requires research.
Secretary Nicholas requires research.
Secretary Stewart requires research.
seleriana (Kraenzl.) is a synonym of indica var. indica.
sellowi (Bouché) is a synonym of indica var. indica.
sellowii Bouché is a synonym of indica var. indica.
Canna 'Sémaphore' is a medium-sized Crozy Group cultivar, with dark leaves and yellow flowers.
Semeur A. Sannier requires research.
Senateur Millaud requires research.
Senateur Montifiore requires research.
Sénateur Viger requires research.
Sentine requires research.
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.
Sherri requires research.
Shining Pink is a synonym of Liberty™ Pink.
Shiraz requires research.
Canna 'Showman' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.