Panicum virgatum 'Prairie Sky'

Papaver orientale 'Beauty of Livermere'

Papaver orientale 'Patty's Plum'

Papaver orientale 'Perry's White'

Pennisetum alopecuroides 'Viridescens'

Pennisetum alopecuroides 'Viridescens'

Pennisetum alopecuroides 'Viridescens'

Penstemon 'Onyx and Pearls'

Perovskia atriplicifolia 'Blue Steel'

Persicaria amplexicaulis 'Speciosa'

Phlomis russeliana

Phlox 'Blue Boy'

Phlox 'Bright Eyes'

Phlox 'Emerald Cushion Blue'

Phlox 'Laura'

Phlox 'Swizzle Blue'

Phormium 'Back in Black'

Phormium 'Evening Glow'

Phormium tenax MIX

Phygelius x rectus CANDY DROPS DEEP ROSE

Polemonium caeruleum 'Album'

Polypodium vulgare

Potentilla atrosanguinea

Primula denticulata 'Alba'