Canna 'paniculata' is a giant species, with green leaves and multi-coloured flowers.
Canna 'paniculata f. variegata' is a medium-sized species, with variegated leaves and red flowers.
Canna 'Pannónia' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Paola Radaelli requires research.
Canna 'Papa' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Papa Alain requires research.
Papa Canna is a synonym of Papa Crozy.
Canna 'Papa Crozy' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Papa Nardy is a synonym of Nardy Pere.
Papillon is a synonym of Roma.
Canna 'Paprika' is a tall Foliage Group cultivar, with dark leaves and red flowers.
Paquita requires research.
Canna 'Parfait' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Park Princess requires research.
Parkridge Peach requires research.
Parmentier requires research.
Canna 'Parténope' is a medium-sized Italian Group cultivar, with green leaves and orange flowers.
Parthenope is a synonym of Parténope.
Canna 'Party Piece' is a small Premier Group cultivar, with green leaves and orange flowers.
Canna 'Party Time' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.