Tobago requires research.
Canna 'Tom Thumb' is a small Miniature Group cultivar, with green leaves and yellow flowers.
Canna 'Topaz' is a small Premier Group cultivar, with green leaves and orange flowers.
Canna 'Torchlight' is a medium-sized Foliage Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Tornado' is a medium-sized Foliage Group cultivar, with green leaves and red flowers.