Peace Lily 'Clevelandii' Peace Lily (spp.)
Peace Lily 'Sensation' Peace Lily 'Supreme'
Peace Lily 'Taylor's Green' 'Peach Fairy' Daylily
Peach Leafed Bellflower 'Blue' Peach Leafed Bellflower White
'Peaches & Green' Yellow Pitcher Plant 'Peaches 'n' Dreams' Hollyhock
Peachleaf Bellflower 'Blue' Peachleaf Bellflower White
Peacock Echeveris Peacock Ginger 'Alva'
Peacock Ginger 'Grande' Peacock Ginger 'Raven'
Peacock Lily Peacock Orchid
Peacock Plant Pear, Balsam 'Spindle'
Pear, Strawberry 'Pearl Deep Blue' Tussock Bellfower
'Pearl Lake' Hosta Pearlwort (spp.)
Pearlwort Golden Pearly Everlasting
'Pearly Gates' Morning Glory: tricolor 'Pearly Wave™' Garden Petunia
Pedula Verbena 'Superbena Dark Blue' 'Peek A Boo' Toothache Plant
'Pegaletta' Louisiana Iris 'Pekinensis Rubra' Sacred Lotus
Pelargonium Pelican Flower
Pelican's Beak (spp.) Pellitory
Pelon Mescal 'Pemme Osage' Daylily
Pendula Yucca 'Penn Lawn' Red Fescue
'Pennant' Dwarf Delphinium 'Pennlinks' Bent Grass
Pennsylvania Smartweed Penny Flower (spp.)
Penny Flower 'Honesty' 'Penny Primrose' Horned Violet
Pennywort, Lawn Marsh 'Crystal Confetti' Pennywort, Whorled Marsh
Pennywort: umbellata Penstemon 'Claude Barre'
Penstemon, Barret's Penstemon, Bunchleaf 'Blue Bedder'
Penstemon, Bunchleaf 'Electric Blue' Penstemon, Bunchleaf 'Margarita BOP'
Penstemon, Bunchleaf 'Platina White' Penstemon, Dwarf Blue
Penstemon, Eaton's Penstemon, Firecracker
Penstemon, Foothill 'Blue Bedder' Penstemon, Foothill 'Electric Blue'
Penstemon, Foothill 'Margarita BOP' Penstemon, Foothill 'Platina White'
Penstemon, Guadalupe Mountain Penstemon, Pineleaf
Penstemon, Rocky Mountain Penstemon, Sawsepal
Penstemon, Showy Penstemon, Southern Woodland
Penstemon: isophyllus Penstemon: linarioides
Penstemon: mexicalihybrid 'Pike's Peak Purple' Penstemon: mexicalihybrid 'Red Rocks'
Penstemon: spp. Penstemon: whippleanus
Pentas (spp.) Pentas 'Buderin Blue'
Pentas 'Longwood Pink' Pentas 'New Look® Pink'
Pentas 'New Look® Rosa' Pentas 'Ruby Glow'
Pentas 'Stars & Stripes' Pentas Variegated