'Phoenix Red' Bearded Tongue: Penstemon 'Phoenix Violet' Bearded Tongue: Penstemon
Photinia Photinia 'Redstart'
Photinia, Chinese Photinia, Fraser (spp.)
Photinia, Fraser 'Pink Marble™' Photinia, Oriental
Photinia, Red Leaf Photinia, Red Tip (spp.)
Photinia, Red Tip 'Pink Marble™' Photinia: davidiana
Photinia: serrulata, Chinese Phuopsis
Phygelius 'African Queen' 'Phyllis Barrow' Southern Magnolia
'Phyllis' Florist's Chrysanthemum 'Picasso' Zonal Geranium
Piccabeen Palm Pickaback Plant
Pickerel Weed (spp.) Pickerel Weed 'White'
'Picnic Giant' Hydrangea 'Picnic' Rose
'Picos' Purple Gromwell Picotee Morning Glory 'Hanafubuki'
Picotee Morning Glory Variegated 'Picta' Giant Reed Grass
'Picta' Japanese Kerria 'Pictum' Italian Arum
'Pictum' Japanese Silver Painted Fern 'Picturata' Japanese Laurel
'Picture' Saucer Magnolia: soulangianahybrid Piedmont Azalea
'Piedmont Gold' Hosta Piedmont Rhododendron
Pieris Pieris, Chinese
Pieris, Himalaya Pieris, Japanese (spp.)
Pieris, Japanese 'Compacta' Pieris, Japanese 'Dorothy Wycoff'
Pieris, Japanese 'Little Heath' Pieris, Japanese 'Mt. Fire'
Pieris, Japanese 'Valley Rose' Pieris, Japanese Variegated
Pieris, Mountain 'Pierre' Golden Star
Pig Laurel 'Hammonasset' Pig Laurel 'Royal Dwarf'
Pigeon Berry 'Golden Edge' Pigeon Berry 'Sapphire Showers'
Pigeon Berry Variegated Pigeon Berry: americana (spp.)
Pigeon Grape Pigeon Plum
Pigeon Plum: rugosa Pigeon Wings
Pigmy Bamboo Pignut Hickory
Pignut Palm Pignut Palm: lagenicaulis
Pigroot Pig's Ear
Pigsqueak (spp.) Pigsqueak 'Bressingham White'
Pigsqueak 'Perfect' Pigsqueak 'Rotblum'
Pigsqueak 'Winterglut (Winter Glow)' Pigweed
Pigweed: album 'Pike's Peak Purple' Penstemon: mexicalihybrid
'Pilaris' Anglojapanese Yew Pilea, Watermelon
Pilewort 'Brazen Hussy' 'Pilgrim' Hosta
Pillar Crabapple Pimento Palm
Pimpernel, Blue 'Blue Light' Pimpernel, Water
Pin Oak Pina Enano Pine
Pinatoro