Intermediate Trees

Pachysandra	Pachysandra terminalis
Pacific Sunset Maple	Acer truncatum x platanoides 'Warrenred'
Pagoda Dogwood	Cornus alternifolia
Palace Passion Coral Bells	Heuchera sanguinea 'Palace Passion'
Palace Purple Coral Bells	Heuchera micrantha 'Palace Purple'
Palm Sedge	Carex muskingumensis
Pamina Japanese Windflower	Anemone x hybrida 'Pamina'
Panicle Hydrangea	Hydrangea paniculata
Panicle Summersweet	Clethra alnifolia 'Paniculata'
Paper Birch	Betula papyrifera
Paperbark Maple	Acer griseum
Paprika Yarrow	Achillea millefolium 'Paprika'
Pardon Me Daylily	Hemerocallis 'Pardon Me'
Patmore Seedless Green Ash	Fraxinus pennsylvanica 'Patmore'
Patricia Ballard New York Aster	Aster novi-belgii 'Patricia Ballard'
Patricia Geranium	Geranium endressii 'Patricia'
Patriot Hosta	Hosta 'Patriot'
Paul Aden Lungwort	Pulmonaria 'Paul Aden'
Paul Thirion Lilac	Syringa vulgaris 'Paul Thirion'
Paul's Glory Hosta	Hosta 'Paul's Glory'
Peace Delphinium	Delphinium 'Peace'
Peach Blossom Astilbe	Astilbe 'Peach Blossom'
Pee Gee Hydrangea	Hydrangea paniculata 'Grandiflora'
Peking Cotoneaster	Cotoneaster acutifolius
Peking Lilac	Syringa pekinensis
Pennsylvania Sedge	Carex pensylvanica
Peony	Paeonia
Periwinkle	Vinca minor
Persian Lilac	Syringa x persica
Pfitzer Juniper	Juniperus chinensis 'Pfitzerana'
Piedmont Gold Hosta	Hosta 'Piedmont Gold'
Pike's Peak Purple Penstemon	Penstemon mexicali 'Pike's Peak Purple'
Pillow Talk Peony	Paeonia 'Pillow Talk'
Pin Oak	Quercus palustris
Pink flowering Crabs
Pink Beauty Potentilla	Potentilla fruticosa 'Pink Beauty'
Pink Beauty Tamarisk	Tamarix 'Pink Beauty'
Pink Coneflower	Echinacea pallida
Pink Delight Butterfly Bush	Buddleia davidii 'Pink Delight'
Pink Diamond Hydrangea	Hydrangea paniculata 'Pink Diamond'
Pink Flowering Dogwood	Cornus florida rubra
Pink Grootendorst Rose	Rosa rugosa 'Pink Grootendorst'
Pink Knockout™ Rose	Rosa 'Radcon'
Pink Meidiland Rose	Rosa 'Pink Meidiland'
Pink Mist Pincushion Flower	Scabiosa columbaria 'Pink Mist'
Pink Obedient Plant	Physostegia virginiana 'Vivid'
Pink Pewter Spotted Deadnettle	Lamium maculatum 'Pink Pewter'
Pink Spires Summersweet	Clethra alnifolia 'Pink Spires'
Pink Turtlehead	Chelone lyonii
Pitscale Grass	Hakonechloa macra
PJM Rhododendron	Rhododendron 'PJM'
Plum Pudding Coral Bells	Heuchera americana 'Plum Pudding'
Pocket Full of Gold	Hemerocallis 'Poczam'
Pom-Pom Juniper	Juniperus (special form)
Pom-Pom Yew	Taxus x media (Special form)
Pond Cypress	Taxodium distichum var. nutans
Poodle Juniper	Juniperus (special form)
Porcupine Grass	Miscanthus sinensis 'Strictus'
Powis Castle Artemisia	Artemisia arborescens 'Powis Castle'
Prairie Coreopsis	Coreopsis palmata
Prairie Flame™ Shining Sumac	Rhus copallina 'Morton'
Prairie Maid Crab	Malus 'Prairie Maid'
Prairie Sky Switch Grass	Panicum virgatum 'Prairie Sky'
Prairifire Crab	Malus 'Prairifire'
Prarie Aster	Aster turbinellus
Prarie Blazingstar	Liatris pycnostachya
Prarie Dropseed	Sporobolus heterolepsis
Precious Love Daylily	Hemerocallis 'Precious Love'
Preziosa Mountain Hydrangea	Hydrangea serrata 'Preziosa'
Primrose Beauty Potentilla	Potentilla fruticosa 'Primrose Beauty'
Primrose Heron Lamb's Ear	Stachys byzantina 'Primrose Heron'
Prince Henry Windflower	Anemone x hybrida 'Prince Henry'
Profusion Crab	Malus 'Profusion'
Purple Beauty Hens and Chicks	Sempervivum tectorum 'Purple Beauty'
Purple Candles Astilbe	Astilbe chinensis var. taquetii 'Purpurkerze'
Purple Coneflower	Echinacea purpurea
Purple de Oro Daylily	Hemerocallis 'Purple de Oro'
Purple Dome New England Aster	Aster novae-angliae 'Purple Dome'
Purple Fountain Grass	Pennisetum setaceum 'Rubrum'
Purple Lobelia	Lobelia x gerardii 'Vedariensis'
Purple Love Grass	Eragrostis spectabilis
Purple Pavement Rose	Rosa 'Purple Pavement'
Purple Periwinkle	Vinca minor 'Atropurpurea'
Purple Petticoats Coral Bells	Heuchera 'Purple Petticoats'
Purple Poppy Mallow (Wine Cups)	Callirhoe involucrata
Purple Prince Crab	Malus 'Purple Prince'
Purple Rain Sage	Salvia verticillata 'Purple Rain'
Purple Royal Fern	Osmunda regalis 'Purpurascens'
Purple Smoke Indigo	Baptisia 'Purple Smoke'
Purple Spurge	Euphorbia dulcis 'Chameleon'
Purpleleaf Sand Cherry	Prunus x cistena
Purple-leaf Snakeroot	Cimicifuga ramosa 'Atropurpurea'
Purpleleaf Wintercreeper	Euonymus fortunei 'Coloratus'
Purple-leaved Coral Bells	Heuchera villosa 'Purpurea'
Purpleosier Willow	Salix purpurea 'Nana'
Pyramidal European Hornbeam	Carpinus betulas 'Fastigiata'
Pyramidal Scots Pine	Pinus sylvestris 'Fastigiata'