glauca var. annaei Petersen is a synonym of Annei.
Canna 'glauca var. flava (Michx. ex Lam.) Willd.' is a medium-sized cultivar, with green leaves and yellow flowers.
Canna 'glauca var. glauca' is a medium-sized aquatic species, equally at home as a water marginal or in the border, with green leaves and yellow flowers.
glauca var. rubrolutea Hook requires research.
glauca var. rufa Hook requires research.
glauca var. siamensis (Kraenzl) Nb. Tanaka requires research.
Canna 'Glevum' is a medium-sized Crozy Group cultivar, with dark leaves and orange flowers.
Gloire d’Empel requires research.
Gloire de Lyon requires research.
Gloire de Rome requires research.
Gloire du Montel requires research.
Gloire Lyonnaise requires research.
Glomar requires research.
Gloria is a synonym of CannaSun™ Gloria.
Gloriosa requires research.
Glow of Love is a synonym of Wyoming.
Glowing Embers requires research.
Canna 'Gnom' is a small Premier Group cultivar, with green leaves and pink flowers.
Gold Ader is a synonym of Phasion.
Canna 'Gold Cup' is a small Premier Group cultivar, with green leaves and yellow flowers.