Pachysandra to Pyrethrum

Pachysandra procumbens

Allegheny Spurge

Paeonia sp.

Panax quinquefolium

Ginseng

Papaver 'Moondance'

Poppy, 'Moondance'

Papaver alpinum 'Mixed'

Poppy 'Apinum Mixed'

Papaver anomalum 'Album'

Poppy

Papaver atlanticum

Poppy, Oriental 'Princess Victoria Louise'

Papaver nudicaule 'Icelandic Giants'

Poppy 'Icelandic Giants'

Papaver nudicaule 'Party Fun'

Poppy, icelandic, 'Party Fun'

Papaver nudicaule (P. croceum) 'Iceland Mixed Colors'

Poppy Iceland (Arctic Poppy) Mixed Colors

Papaver nudicaule (P. croceum) 'Iceland Special Mix'

Poppy Iceland (Arctic Poppy) Special Mix

Papaver orientale 'Brilliant'

Poppy, 'Brilliant'

Papaver orientale 'Choice Mix'

Poppy, Oriental 'Choice Mix'

Papaver orientale 'Coral Pink'

Poppy, 'Coral Pink'

Papaver orientale 'Dwarf Allegro'

Poppy, 'Dwarf Allegro'

Papaver orientale 'Red'

Poppy, Oriental 'Red'

Papaver orientale 'Royal Wedding'

Poppy oriental 'Royal Wedding'

Papaver orientale 'Scarlet'

Poppy, Oriental 'Scarlet'

Papaver orientale 'Winds of the Orient'

Oriental Poppy 'Winds of the Orient'

Papaver orientalis 'Fruit Punch'

Poppy, 'Fruit Punch'

Papaver paeoniflorum 'Taffeta Mix'

Peony Poppy 'Taffeta Mix'

Papaver somniferum 'Orange Scarlet'

Poppy, Oriental 'Orange Scarlet'

Papaver somniferum 'Oriental Blend'

Opium Poppy 'Oriental Blend'

Papaver somniferum 'Oriental New Hybrids'

Opium Poppy 'Oriental New Hybrids'

Papaver somniferum (single purple)

Papaver somniferum - single mauve, frilly edge

Papaver somniferum flore plena

Paris quadrifolia

Paris

Peltoboykinia tellimoides

Peltoboykinia watanabei

Pendicularis canadensis

Wood-Betony

Penstemon 'Electric Blue'

Penstemon 'Electric Blue'

Penstemon 'Giant Hybrids'

Penstemon 'Giant Hybrids'

Penstemon 'Kaleidoscope'

Penstemon 'Kaleidoscope'

Penstemon 'Tall Bicolour Sensation Mix'

Penstemon 'Tall Bicolour Sensation Mix'

Penstemon 'True Blue'

Penstemon 'True Blue'

Penstemon barbatus 'Cambridge'

Penstemon 'Cambridge'

Penstemon barbatus 'Petite Bouquet'

Penstemon 'Petite Bouquet'

Penstemon cardwellii from 'Floyd McMullen'

Penstemon digitalis 'Huskers Red'

Penstemon 'Huskers Red'

Penstemon fruiticosus ssp. serrutus 'Pink Holly'

Penstemon gloxinioides 'Mixed Species & Hybrids'

Penstemon 'Mixed Species & Hybrids'

Penstemon hartwegii 'Mixed Colours'

Penstemon 'Mixed Colours'

Penstemon hartwegii 'Tubular Bells Rose'

Penstemon 'Tubular Bells Rose'

Penstemon heterophyllus 'Shock Wave'

Penstemon 'Shock Wave'

Penstemon hirsutus 'Pygmaeus'

Penstemon hybrida 'Lilac Frost'

Penstemon 'Lilac Frost'

Penstemon lyallii

Penstemon smallii

Penstemon, Small's Penstemon

Penstemon smallii 'Violet Dusk'

Penstemon 'Violet Dusk'

Penstemon sp. 'Large Flowered Mix'

Penstemon 'Large Flowered Mix'

Penstemon sp. 'Navigator Mixed'

Penstemon 'Navigator Mixed'

Penstemon sp. 'Scarlet Queen'

Penstemon 'Scarlet Queen'

Penstemon sp. 'Tubular Bells Red'

Penstemon 'Tubular Bells Red'

Penstemon strictus 'Rocky Mountain Blue'

Penstemon 'Rocky Mountain Blue'

Penstemon wilcoxii

Perilla frutescens 'Shiso Aka Red'

Perilla Red Shiso; Beefsteak; Japanese Basil or Mint

Phlomis fruticosa

Phlomis russelliana (P. viscosa; P. samis)

Phlox divaricata

Phlox, Blue Phlox / Wild Sweet William

Phlox paniculata x 'Fujii'

Phlox, Tall Garden Phlox - Fujii

Phlox stolonifera

Phlox, Creeping Woodland Phlox

Phlox stolonifera 'Home Fires'

Phlox, Creeping Woodland Phlox 'Home Fires'

Phlox, Alpine 'Brittonii Rosea'

Phlox 'Brittonii Rosea'

Phlox, Alpine 'Liane'

Phlox 'Liane'

Phuopsis stylosa

Phygelius capensis (red form)

Physalis alkekengi var. franchetii

Physalis Chinese Lantern; Winter Cherry

Physalis alkekengi var. franchetii 'Giant Scarlet'

Physalis Chinese Lantern; Winter Cherry 'Giant Scarlet'

Physostegia virginiana

Obedient Plant

Physostegia virginiana 'Snow Crown'

Obedient Plant 'Snow Crown'

Physostegia virginiana 'Snowdrop White'

Obedient Plant 'Snowdrop White'

Physostegia virginiana 'Summer Snow'

Obedient Plant 'Summer Snow'

Physostegia virginiana 'Vivid'

Obedient Plant 'Vivid'

Physostegia virginiana alba

Obedient Plant 'Alba White'

Pimpinella saxifrage

Burnet Saxifrage

Pinellia pedatisecta

Pinellia ternata

Pinellia tripartita

Plantago lanceolata

Plantain, Ribwort

Plantago media

Plantain, Hoary

Platycodon grandiflorum 'Blue Pygmy'

Balloon Flower 'Blue Pygmy'

Platycodon grandiflorum 'Blue'

Ballon Flower 'Blue'

Platycodon grandiflorum 'Pastel Blend'

Balloon Flower 'Pastel Blend'

Platycodon grandiflorus

Balloon Flower

Platycodon grandiflorus mariesii

Playcodon; Balloon Flower; Chinese Bell Flower

Polemonium 'Apricot Delight'

Polemonium 'Apricot Delight'

Polemonium biflorum

Solomon's Seal

Polemonium boreale

Jacob's Ladder Alpine

Polemonium caeruleum

Jacob's Ladder

Polemonium caeruleum 'Blue Pearl'

Jacob's Ladder 'Blue Pearl'

Polemonium caeruleum 'White Pearl'

Jacob's Ladder 'White Pearl'

Polemonium coeruleum (White Flowered)

Jacob's Ladder (White Flowered)

Polemonium giganteum

Solomon's Seal, Giant

Polemonium humile

Solomon's Seal, Dwarf Japanese Solomon's Seal

Polemonium multiflorum

Solomon's Seal, European Solomon's Seal

Polemonium odoratum

Solomon's Seal, Japanese Variegated Solomon's Seal

Polemonium reptans

Jacob's Ladder

Polygonum bistorta

Bistort

Polystichum acrostichoides

Fern, Christmas Fern