R. Wallace
Canna 'R. Wallace' is a small Crozy Group cultivar, with green leaves and yellow flowers.
Ra
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.
Radio
Canna 'Radio' is a tall Crozy Group cultivar, with green leaves and yellow flowers.
Red Beauty
Canna 'Red Beauty' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Red Dazzler
Canna 'Red Dazzler' is a tall Premier Group cultivar, with green leaves and red flowers.
Red Ribbons
Canna 'Red Ribbons' is a small Crozy Group cultivar, with green leaves and red flowers.
Red Simplex
Canna 'Red Simplex' is a medium-sized Foliage Group cultivar, with green leaves and red flowers.
Reichskanzler Fürst Hohenlohe
Canna 'Reichskanzler Fürst Hohenlohe' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Rhône
Canna 'Rhône' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Rigoletto
Canna 'Rigoletto' is a medium-sized Italian Group cultivar, with green leaves and yellow flowers.
Riven Mist
Canna 'Riven Mist' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and orange flowers.
River Avon
Canna 'River Avon' is a small aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and yellow flowers.
River Loire
Canna 'River Loire' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and pink flowers.
River Mersey
Canna 'River Mersey' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and pink flowers.
River Ouse
Canna 'River Ouse' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and yellow flowers.
River Seine
Canna 'River Seine' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and pink flowers.
River Severn
Canna 'River Severn' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and yellow flowers.
River Teme
Canna 'River Teme' is a small aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and white flowers.
River Thames
Canna 'River Thames' is a small aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and yellow flowers.
River Trent
Canna 'River Trent' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and yellow flowers.