Canna 'Napoleon' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and pink flowers.
Canna 'Nardy Pere' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Nattie Cole' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Nectarine' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Nepalensis' is a tall Foliage Group cultivar, with green leaves and yellow flowers.
Canna 'Nepalensis grandiflora' is a medium-sized Foliage Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Nepalensis grandiflora striata' is a medium-sized Foliage Group cultivar, with green leaves and yellow flowers.
Canna 'Nero' is a tall Italian Group cultivar, with dark leaves and orange flowers.
Canna 'Nervosa' is a medium-sized Foliage Group cultivar, with dark leaves and red flowers.
Canna 'New Dawn' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'New Day' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'New Era' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'New Gold' is a medium-sized Crozy Group cultivar, with green leaves and orange flowers.
New Guinea requires research.
Canna 'New Horizon' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
New Norma requires research.
Canna 'New Red' is a medium-sized Italian Group cultivar, with dark leaves and red flowers.
Canna 'New Sensation' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'New White' is a medium-sized Premier Group cultivar, with green leaves and white flowers.
Canna 'Niagara' is a small Crozy Group cultivar, with green leaves and red flowers.