Canna 'Passionata' is a medium-sized Foliage Group cultivar, with dark leaves and pink flowers.
Pastel Perfection requires research.
Canna 'patens' is a medium-sized species, with green leaves and multi-coloured flowers.
Canna 'Patrie' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Pattaya Sunset requires research.
Canna 'Patton' is a medium-sized aquatic cultivar, equally at home as a water marginal or in the border, with green leaves and yellow flowers.
Paul Bert requires research.
Canna 'Paul Braunt' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Paul Lorentz requires research.
Paul Lorenz is a synonym of Paul Lorentz.
Canna 'Paul Marquant' is a small Crozy Group cultivar, with green leaves and pink flowers.
Paul Sigrist requires research.
Pavonia requires research.
Paysagiste Barriot requires research.
Peach Blush requires research.
Canna 'Peach Surprise' is a miniature Crozy Group cultivar, with green leaves and multi-coloured flowers.
Peachblow is a synonym of Alba Rosea Grandiflora.
Canna 'Peaches 'n Cream' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.