Jolene requires research.
Joseph Ausende requires research.
Canna 'Joseph Bischau' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Joseph Buchan is a synonym of Joseph Bischau.
Canna 'Journey's End' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Juanita requires research.
Canna 'Jubilee' is a medium-sized Premier Group cultivar, with green leaves and multi-coloured flowers.
Judy Cuppaidge requires research.
Jules Chrétien requires research.
juncea Retz. is a synonym of indica var. indica.
June Ranger requires research.
Canna 'Jupiter' is a medium-sized Premier Group cultivar, with green leaves and red flowers.
Canna 'Jupiter (2)' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Jussieu requires research.
Just Dandy requires research.
Kaiser Wilhelm II requires research.
Kandy Apple requires research.
Canna 'Kansas City' is a small Crozy Group cultivar, with variegated leaves and yellow flowers.