Canna 'Ehemannii' is a tall Foliage Group cultivar, with green leaves and pink flowers.
Canna 'Elaroo' is a medium-sized Australian Group cultivar, with green leaves and white flowers.
Canna 'Elfin' is a medium-sized Foliage Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Ella Dalebø' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'Elle' is a small Premier Group cultivar, with green leaves and pink flowers.
Canna 'Ellen Layden' is a small Miniature Group cultivar, with green leaves and pink flowers.
Canna 'Eloïse' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Emma Louise' is a medium-sized Premier Group cultivar, with green leaves and pink flowers.
Canna 'En Avant' is a medium-sized Premier Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Endeavour' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and red flowers.
Canna 'Enfant de Rhône' is a small Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Epi d'Or' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Erebus' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and pink flowers.
Canna 'Erotic One' is a medium-sized Foliage Group cultivar, with green leaves and red flowers.
Canna 'Eureka' is a medium-sized Crozy Group cultivar, with green leaves and white flowers.
Evening Star is a synonym of Perkeo.
Canna 'Evesham' is a small Premier Group cultivar, with green leaves and yellow flowers.
Explorateur Crambel requires research.
Exquisite requires research.
Canna 'Extase' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.