Papaver orientale 'Royal Wedding'

Papaver orientale 'Türkenlouis'

Papaver orientale 'White Ruffles'

Pennisetum alopecuroides

Pennisetum alopecuroides 'Hameln'

Pennisetum alopecuroides 'Hameln'

Pennisetum alopecuroides 'Little Bunny'

Penstemon 'Apple Blossom'

Penstemon 'Apple Blossom'

Penstemon 'Garnet'

Penstemon 'Onyx and Pearls'

Penstemon 'Polaris Pink'

Penstemon 'Raven'

Penstemon 'Sour Grapes'

Penstemon 'White Bedder'

Penstemon 'White Bedder'

Penstemon digitalis 'Husker Red'

Penstemon digitalis 'Husker Red'

Penstemon hartwegii 'Polaris Magenta'

Perovskia atriplicifolia 'Blue Steel'

Perovskia atriplicifolia 'Little Spire'

Persicaria affinis 'Darjeeling Red'

Persicaria affinis 'Darjeeling Red'

Persicaria affinis 'Kabouter'