Souvenir de Madame Liabaud requires research.
Canna 'Souvenir de Madame Nardy' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Souvenir de President Carnot is a synonym of President Carnot.
Souvenir de President Ganot is a synonym of President Carnot.
Canna 'Souvenir de Robert Owen' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Souvenir de Roussain' is a medium-sized cultivar, with green leaves and red flowers.
Souvenir du Capitaine Drugeon requires research.
Souvenir of Dr. Owen is a synonym of Souvenir de Robert Owen.
Spanish Emblem is a synonym of Yellow King Humbert.
Sparks_x000D_
Canna 'Sparks'
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see Guttermanni_x000D_
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Canna 'Sparks' - see Guttermanni
Canna 'speciosa (Roscoe) Hook.' is a medium-sized cultivar, with green leaves and multi-coloured flowers.
spectabilis Bouché is a synonym of indica var. indica.
Canna 'Spiderman' is a giant Foliage Group cultivar, with green leaves and red flowers.
Spitfire requires research.
Splendor requires research.
Canna 'Spotted Fever' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Spotted Lucifer is a synonym of Spotted Fever.
Canna 'Spritzii' is a medium-sized Foliage Group cultivar, with green leaves and orange flowers.
Sri Ban Yen requires research.
Canna 'Stadt Fellbach' is a medium-sized Crozy Group cultivar, with green leaves and orange flowers.