Canna 'Queen of Italy' is a medium-sized Italian Group cultivar, with green leaves and multi-coloured flowers.
Canna 'Queensland Arrowroot' is a giant Agriculture Group cultivar, with green leaves and red flowers.
Canna 'R. Wallace' is a small Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Ra' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and yellow flowers.
Canna 'Radio' is a tall Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Red Beauty' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
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Canna 'Red Bird'
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see Liervalii_x000D_
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Canna 'Red Bird' - see Liervalii
Canna 'Red Cleopatra' is a medium-sized Italian Group cultivar, with dark leaves and red flowers.
Canna 'Red Dazzler' is a tall Premier Group cultivar, with green leaves and red flowers.
Canna 'Red Florida' is a medium-sized Foliage Group cultivar, with variegated leaves and red flowers.
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Canna 'Red Futurity'
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see Futurity Red_x000D_
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Canna 'Red Futurity' - see Futurity Red
Canna 'Red King Humbert' is a medium-sized Italian Group cultivar, with dark leaves and red flowers.
Canna 'Red Ribbons' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Red Simplex' is a medium-sized Foliage Group cultivar, with green leaves and red flowers.
Canna 'Red Tiger' is a medium-sized Crozy Group cultivar, with variegated leaves and red flowers.
Canna 'Red Tyrol' is a small Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Red Velvet' is a tall Foliage Group cultivar, with variegated leaves and red flowers.
Red Wine requires research.
Canna 'Reichskanzler Fürst Hohenlohe' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Canna 'Rene' is a small Crozy Group cultivar, with dark leaves and pink flowers.