Général de Méribel
Canna 'Général de Méribel' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Geoffrey St. Hilaire
Canna 'Geoffrey St. Hilaire' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Gheluvelt
Gheluvelt requires research.
Giant Red
Canna 'Giant Red' is a tall Foliage Group cultivar, with green leaves and red flowers.
Giselle
Canna 'Giselle' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Gladiator
Canna 'Gladiator' is a medium-sized Crozy Group cultivar, with green leaves and multi-coloured flowers.
Gladstone
Canna 'Gladstone' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
glauca f. Caroni
Canna 'glauca f. Caroni' is a small species, with green leaves and white flowers.
glauca f. Davia
Canna 'glauca f. Davia' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and yellow flowers.
glauca f. Peach Delight
Canna 'glauca f. Peach Delight' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and pink flowers.
glauca var. flava (Michx. ex Lam.) Willd.
Canna 'glauca var. flava (Michx. ex Lam.) Willd.' is a medium-sized cultivar, with green leaves and yellow flowers.
glauca var. glauca
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
glauca var. rubrolutea Hook requires research.
glauca var. rufa Hook
glauca var. rufa Hook requires research.
glauca var. siamensis (Kraenzl) Nb. Tanaka
glauca var. siamensis (Kraenzl) Nb. Tanaka requires research.
Glevum
Canna 'Glevum' is a medium-sized Crozy Group cultivar, with dark leaves and orange flowers.
Gnom
Canna 'Gnom' is a small Premier Group cultivar, with green leaves and pink flowers.
Gold Cup
Canna 'Gold Cup' is a small Premier Group cultivar, with green leaves and yellow flowers.
Gold Mine
Canna 'Gold Mine' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Golden Frills
Canna 'Golden Frills' is a small Crozy Group cultivar, with green leaves and yellow flowers.