Pachysandra procumbens
Paeonia japonica
Patrinia scabiosifolia
Penstemon 'Catherine de la Mare'
Penstemon 'Fruit Punch'
Penstemon 'Sour Grapes'
Persicaria polymorpha
Petasites japonicus var. giganteus
Phlox 'Baby Face'
Phlox divaricata 'Clouds of Perfume'
Phlox 'David'
Phlox divaricata
Phlox 'Franz Schubert'
Phlox 'Frosted Elegance'
Phlox 'Gyspy Love'
Phlox 'Katrina'
Phlox 'Laura'
Phlox 'Little Boy'
Phlox 'Little Laura'
Phlox divaricata 'London Grove'
Phlox 'Midnight Feelings'
Phlox 'Miss Elie'
Phlox 'Miss Holland'
Phlox carolina 'Miss Lingard'
Phlox 'Miss Mary'
Phlox 'Natascha'
Phlox 'Nicky'
Phlox 'Nora Leigh'
Phlox 'Orange Perfection'
Phlox 'Pink Attraction'
Phlox 'Pleasant Feelings'
Phlox 'Red Magic'
Phlox 'Robert Poore'
Phlox 'Sunrise'
Phlox x arendsii 'Suzanne'
Phormium
Phormium 'Apricot Queen'
Phormium 'Dark Delight'
Phormium 'Dazzler'
Phormium 'Dusky Chief'
Phormium 'Flamingo'
Phormium 'Jester'
Phormium 'Maori Queen'
Phormium 'Pink Stripe'
Phormium 'Sundowner'
Phormium 'Yellow Wave'
Phygelius Moonraker
Phygelius 'New Sensation'
Phygelius 'Peach Trombone'
Phygelius 'Sani Pass'
Phygelius 'Sunshine'
Phygelius 'Trewidden Pink'
Pimpinella 'Rosea'
Pinellia tripartita
Plantago 'Atropurpurea'
Platycodon 'Komachi'
Platycodon 'Sentimental Blue'
Polemonium 'Brise d'Anjou'
Polemonium 'Stairway to Heaven'
Polygonatum commutatum
Polygonatum odoratum 'Variegatum'
Polygonum 'Crimson Beauty'
Potentilla 'Arc en Ciel'
Potentilla hopwoodiana
Potentilla 'Monarch's Velvet'
Poteranthus 'Pink Profusion'
Primula japonica 'Alba'
Pulmonaria 'Bertram Anderson'
Pulmonaria 'Blue Ensign'
Pulmonaria 'Diane Clare'
Pulmonaria longifolia ssp. cevennensis
Pulmonaria 'Milky Way'
Pulmonaria 'Raspberry Ice'
Pycnathemum virginianum
Ranunculus 'Buttered Popcorn'
Rehmannia elata
Rohdea japonica
Rohdea 'Miyako No Jo'
Rudbeckia 'Goldsturm'
Rudbeckia maxima
Rudbeckia subtomentosa
Ruta graveolens
