Sagittarius requires research.
Canna 'Saladin' is a medium-sized Crozy Group cultivar, with dark leaves and pink flowers.
Salmon Apricot requires research.
Salmon Beauty requires research.
Salmon Bride requires research.
Salmon Delight requires research.
Salmon Gold requires research.
Salmon Master requires research.
Salmon Orchid requires research.
Canna 'Salmon Pink' is a small Crozy Group cultivar, with green leaves and pink flowers.
Salmonette requires research.
Canna 'Salsa' is a small Crozy Group cultivar, with green leaves and yellow flowers.
Sam Trelease (Improved) requires research.
San Diego requires research.
sanctae-rosae Kraenzl. is a synonym of indica var. sanctae-rosae (Kraenzl.) Nb.Tanaka.
Sangri La requires research.
Sangria requires research.
sanguinea Bouché is a synonym of indica var. indica.
sanguinea Warsz. ex Otto & A.Dietr. is a synonym of indica var. indica.
Sans Souci requires research.