Canna 'Tafraout' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Tali' is a small Crozy Group cultivar, with dark leaves and orange flowers.
Canna 'Tama-Tulipa' is a medium-sized Foliage Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Taney' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and orange flowers.
Canna 'Tangelo' is a small Premier Group cultivar, with green leaves and yellow flowers.
Canna 'Tangerine' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Tango' is a medium-sized Crozy Group cultivar, with green leaves and orange flowers.
Canna 'Tango(2)' is a medium-sized Premier Group cultivar, with green leaves and orange flowers.
Canna 'Tango(3)' is a tall Foliage Group cultivar, with green leaves and orange flowers.
Canna 'Tarrytown' is a medium-sized Italian Group cultivar, with dark leaves and red flowers.
Canna 'Tchad' is a medium-sized Premier Group cultivar, with dark leaves and red flowers.
Canna 'Temploux' is a tall Foliage Group cultivar, with unknown leaves and red flowers.
Canna 'Tête d'Or' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Thai Princess' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Canna 'Thai Watermelon' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Thai-Green requires research.
Canna 'Thai-Purple' is a tall Agriculture Group cultivar, with dark leaves and red flowers.
Canna 'The Garden' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'The Gem (1)' is a medium-sized Crozy Group cultivar, with green leaves and white flowers.
Canna 'The President' is a medium-sized Premier Group cultivar, with green leaves and red flowers.