'Paradigm' Hosta Paradise Flower: wendlandii
'Paranioa' Coneflower 'Parasol' Madagascar Periwinkle
'Paratola Sunrise' Dahlia 'Pardon Me' Daylily
'Parhelion' Hosta 'Parker's Variety' Fernleaf Yarrow
'Parmentier' Common Torch Lily: Kniphofia Parrot Feather
Parrot Leaf: dentata 'Party Time' Parrot Leaf: dentata 'Rubiginosa'
Parrot Leaf: dentata 'Ruby' Parrot Leaf: ficoidea (spp.)
Parrot Leaf: ficoidea 'Big Red' Parrot Leaf: ficoidea 'Brilliant'
Parrot Leaf: ficoidea 'Party Time' Parrot's Beak (spp.)
Parrot's Beak: maculatus Parry's Agave
Parsley Fern Parsley 'Extra Curled Dwarf'
Parsley, Cow 'RavensWing' Parsnip, Purple
Parsnip, Wild Partridge Feather
Partridge Pea 'Party Pink Bronze Leaf' Begonia
'Party Time' Joseph's Coat: dentata 'Party Time' Joseph's Coat: ficoidea
Pasque Flower (spp.) Pasque Flower 'Rote Glocke'
Pasque Flower White Pasque Flower, Eastern White
'Passionate Rainbow' Whirling Butterflies 'Pastel Splash' Garden Petunia
'Pastels Mix' Madagascar Periwinkle Patersonia
Patience Plant (spp.) Patience Plant 'Blackberry Ice'
Patience Plant 'Blitz 2000 Red' Patience Plant 'CandyŽ Coral Bee'
Patience Plant 'CandyŽ Deep Salmon' Patience Plant 'CandyŽ Mix'
Patience Plant 'CandyŽ Rose Star' Patience Plant 'Rose Parade'
Patience Plant 'Rosette' Patience Plant 'Show Stopper'
Patience Plant 'Stardust Salmon' Patience Plant 'Super Elfin Orange'
Patience Plant 'Super Elfin Swirl' Patience Plant 'Victorian Rose'
Patient Lucy (spp.) Patient Lucy 'Blackberry Ice'
Patient Lucy 'Blitz 2000 Red' Patient Lucy 'CandyŽ Coral Bee'
Patient Lucy 'CandyŽ Deep Salmon' Patient Lucy 'CandyŽ Mix'
Patient Lucy 'CandyŽ Rose Star' Patient Lucy 'Rose Parade'
Patient Lucy 'Rosette' Patient Lucy 'Show Stopper'
Patient Lucy 'Stardust Salmon' Patient Lucy 'Super Elfin Orange'
Patient Lucy 'Super Elfin Swirl' Patient Lucy 'Victorian Rose'
'Patio Blue' Garden Petunia 'Patio Parade' Daylily
'Patricia Ballard' New York Aster 'Patricia Fay' Daylily
'Patricia' Hybrid Geranium Patridgeberry
Patrinia, Scabious 'Patriot' Hosta: fortunei
'Paula Fay' Common Garden Peony 'Paula Lawrence' Moth Orchid
'Paul's Glory' Hosta Pea, Blue
Pea, Butterfly Pea, Common 'Royal Mix'
Pea, English 'Royal Mix' Pea, Garden 'Royal Mix'
Pea, Green 'Royal Mix' Pea, Perennial
Pea, Sweet (spp.) Pea, Sweet 'Explorer'
Pea, Wild (spp.) Pea, Wild 'Explorer'