Canna 'P.J. Berkmans' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Pacha' is a tall Foliage Group cultivar, with dark leaves and red flowers.
Canna 'Panache Rouge' is a tall Premier Group cultivar, with green leaves and red flowers.
Canna 'Pandora' is a medium-sized Italian Group cultivar, with dark leaves and red flowers.
Canna 'paniculata f. variegata' is a medium-sized species, with variegated leaves and red flowers.
Canna 'Papa' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Papa Crozy' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Paprika' is a tall Foliage Group cultivar, with dark leaves and red flowers.
Canna 'Patrie' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Paul Braunt' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Pele' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Pennsylvania' is a medium-sized Italian Group cultivar, with green leaves and red flowers.
Canna 'Philadelphia' is a medium-sized Italian Group cultivar, with green leaves and red flowers.
Canna 'Phœbe' is a tall Italian Group cultivar, with green leaves and red flowers.
Canna 'Picador' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Canna 'Pixie (1)' is a medium-sized Foliage Group cultivar, with green leaves and red flowers.
Canna 'Plantagenet' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.
Canna 'Pluto' is a medium-sized Italian Group cultivar, with dark leaves and red flowers.
Canna 'Poinsettia' is a small Crozy Group cultivar, with green leaves and red flowers.
Canna 'Präsident Meyer' is a medium-sized Crozy Group cultivar, with dark leaves and red flowers.