Canna 'Llanthony' is a small Premier Group cultivar, with dark leaves and pink flowers.
Canna 'Lohengrin' is a medium-sized Crozy Group cultivar, with green leaves and orange flowers.
Canna 'Lolita' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Lollipop' is a miniature cultivar, with green leaves and red flowers.
Canna 'Louis Cayeux' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'Louis Cottin' is a small Premier Group cultivar, with dark leaves and yellow flowers.
Canna 'Lucifer' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Lucifer Orange' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Ludlow' is a medium-sized Premier Group cultivar, with green leaves and yellow flowers.
lumbautum is a synonym of indica f. Tamaulipas.
Canna 'Lunar Light' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Lyon rouge' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.