Tegernsee requires research.
Tellbach requires research.
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.
Thai Rainbow requires research.
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.
Thalie requires research.
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.
Canna 'Theresa Blakey' is a small Crozy Group cultivar, with dark leaves and multi-coloured flowers.
Canna 'Thorvald Dalebø' is a small Premier Group cultivar, with green leaves and red flowers.
Tickled Pink requires research.
Tiger Moth requires research.
Canna 'Tiger Paws' is a medium-sized Premier Group cultivar, with dark leaves and orange flowers.
Canna 'Tirol' is a medium-sized Crozy Group cultivar, with dark leaves and pink flowers.
Canna 'Tivoli' is a tall Australian Group cultivar, with green leaves and multi-coloured flowers.