florifera requires research.
Canna 'Forbidden Love' is a medium-sized Premier Group cultivar, with green leaves and orange flowers.
formosa Bouché is a synonym of indica var. indica.
Fortuna requires research.
Canna 'Fortune' is a medium-sized Italian Group cultivar, with green leaves and red flowers.
Fournaise is a synonym of Oiseau de Feu.
Franc Buchner is a synonym of Franz Buchner.
Francis Berti is a synonym of Perkeo.
Francis Wood requires research.
Franciscus is a synonym of Phasion.
Francisque Morel requires research.
François Corbin requires research.
Canna 'François Crozy' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Francois Morel requires research.
Canna 'Françoise Lapente' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Franklin(1) requires research.
Franklin(2) requires research.
Canna 'Franz Büchner' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Franz Graf von Thun' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.