'Plum Delight' Chinese Fringe Bush Plum Yew
Plum Yew, Chinese Plum Yew, Fortune's
Plum Yew, Japanese 'Duke Gardens' Plum Yew, Japanese (spp.)
Plum Yew, Japanese 'Fastigiata' Plum Yew, Japanese 'Korean Gold'
Plum Yew, Japanese 'Prostrata' Plum, Chickasaw
Plum, Double Flowering 'Multiplex' Plum, Purpleleaf
Plumbago (spp.) Plumbago 'Imperial Blue'
Plumbago 'Royal Cape' Plumbago White
Plumbago, Chinese (spp.) 'Plumosa Albopilla' Sawara Cypress
'Plumosa Aurea Compacta' Sawara Cypress 'Plumosa Aurea' European Red Elderberry
PMC Manzanita 'Pocahontas' Lilac: hyacinthiflorahybrid
'Pocohantas' Possum Haw Holly Podocarp, Tasmanian
Podocarpus, Chinese 'Maki' Podocarpus: usambarensis
Pohinahina (spp.) Pohinahina 'Wild Korea'
Poinciana, Dwarf Poinsettia (spp.)
Poinsettia 'Peterstar Silver Bells' Poinsettia 'V-14 Pink'
Poinsettia 'V-17 Angelika White' Poinsettia 'Winter Rose'
'Point Reyes' Manzanita Point Reyes Ceanothus: gloriosus
Point Reyes Creeper: gloriosus Poisontree, Florida
Poisonwood Poisonwood, Black
'Polka' Old Fashioned Weigela Pomaderris
Pomaderris, Golden Pomegranate (spp.)
Pomegranate Dwarf Pond Apple
Ponil Pontic Azalea
'Poorinda Golden Lyre' Spider Flower 'Popcorn' Doublefile Viburnum: plicatum
Poppy, Bush Poppy, Island Tree
'Popsicles' Lantana Port Orford Cedar 'Aurea Densa'
Porterweed, Blue Porterweed, Coral Variegated
Porterweed, Purple 'Portrait' Rose
Portugal Lauel Portugese Laurel Cherry
Possum Haw Holly (spp.) Possum Haw Holly 'Benton'
Possum Haw Holly 'Byers Golden' Possum Haw Holly 'Cascade'
Possum Haw Holly 'Council Fire' Possum Haw Holly 'Hunter'
Possum Haw Holly 'Miller City' Possum Haw Holly 'Pocohantas'
Possum Haw (spp.) Possum Haw Viburnum (spp.)
Possum Haw Viburnum 'Brandywine™' Possum Haw Viburnum 'Winterthur'
Possum Haw 'Brandywine™' Possum Haw 'Winterthur'
Potato Bush, Blue (spp.) Potentilla (spp.)
Potentilla 'Abbottswood' Potentilla 'Apricot Whisper'
Potentilla 'Arbuscula' Potentilla 'Beanii'
Potentilla 'Coronation Triumph' Potentilla 'Dakota Goldspot®'
Potentilla 'Dakota Sunrise' Potentilla 'Dakota Sunspot™'
Potentilla 'Dart's Golddigger' Potentilla 'Floppy Disc'
Potentilla 'Gold Drop' Potentilla 'Gold Gem'
Potentilla 'Goldfinger' Potentilla 'Happy Face® Pink Paradise'
Potentilla 'Happy Face® White' Potentilla 'Happy Face® Yellow'
Potentilla 'Jackmanii' Potentilla 'Katherine Dykes'
Potentilla 'Lady Daresbury' Potentilla 'Longacre'
Potentilla 'Manelys' Potentilla 'McKay's White'
Potentilla 'Mount Townsend' Potentilla 'Parvifolia'
Potentilla 'Pink Beauty' Potentilla 'Pink Whisper'
Potentilla 'Primrose Beauty' Potentilla 'Princess'
Potentilla 'Snowbird' Potentilla 'Sundance'
Potentilla 'Sunset' Potentilla 'Sutter's Gold'
Potentilla 'Vilmoriniana'