Parney Cotoneaster Parry Manzanita
Parry's Agave Passionflower, Yellow
'Patio Parade' Daylily 'Patrician' Rose
Patridgeberry 'Paul Bosley' Mountain Laurel
'Paul's Scarlet' English Hawthorn Pawpaw
Pea, Blue Pea, Butterfly
'Peace' Butterflybush 'Peace' Rose
Peach, Common (spp.) Peach, Common 'Corinthian Mauve'
Peach, Common 'Corinthian Pink' Peach, Common 'Corinthian Rose'
Peach, Common 'Corinthian White' Peach, Flowering (spp.)
Peach, Flowering 'Corinthian Mauve' Peach, Flowering 'Corinthian Pink'
Peach, Flowering 'Corinthian Rose' Peach, Flowering 'Corinthian White'
Peach, Ornamental (spp.) Peach, Ornamental 'Corinthian Mauve'
Peach, Ornamental 'Corinthian Pink' Peach, Ornamental 'Corinthian Rose'
Peach, Ornamental 'Corinthian White' Pear, Apple
Pear, Asian Pear, Callery 'Aristocrat™'
Pear, Callery 'Autumn Blaze' Pear, Callery 'Bradford'
Pear, Callery 'Capital' Pear, Callery 'Chanticleer'
Pear, Callery 'Cleprizam' Pear, Callery 'Pizzaz'
Pear, Callery 'Redspire' Pear, Callery 'Stonehill'
Pear, Callery 'Whitehouse' Pear, Chinese
Pear, Nashi Pear, Oriental
Pear, Sand 'Pearl Meidiland®' Rose
'Peaudeuce' Rose Pecan, Bitter
'Peer Gynt' Rose Pelon Mescal
'Pemme Osage' Daylily 'Penda (Bloomerang® Purple)' Lilac
'Penn Lawn' Red Fescue 'Pennant' Dwarf Delphinium
'Pensioner's Voice' Rose Penstemon, Bunchleaf 'Margarita BOP'
Penstemon, Eaton's Penstemon, Firecracker
Penstemon, Foothill 'Margarita BOP' Penstemon, Guadalupe Mountain
Penstemon, Southern Woodland Penstemon: mexicalihybrid 'Pike's Peak Purple'
Pepper Tree, Brazilian Pepper Tree, California
'Peppermint' Mountain Laurel Pepperwood
Peregrina Perennial Phlox (spp.)
Perennial Phlox 'Australia' Perennial Phlox 'Blue Paradise'
Perennial Phlox 'Bright Eyes' Perennial Phlox 'Creme de Menthe'
Perennial Phlox 'David' Perennial Phlox 'Dodo Hanbury Forbes'
Perennial Phlox 'Eva Cullum' Perennial Phlox 'Fairest One'
Perennial Phlox 'Flamingo' Perennial Phlox 'Franz Schubert'
Perennial Phlox 'Lizzy' Perennial Phlox 'Mt. Fuji'
Perennial Phlox 'Nora Leigh' Perennial Phlox 'Prime Minister'
Perennial Phlox 'Sandra' Perennial Phlox 'Starfire'
Perennial Phlox 'Tenor' Perennial Phlox 'Windsor'
Perennial Salvia 'Purple Rain' Perennial Sunflower (spp.)
'Perfect Moment' Rose Perfume Acacia
Perry Manzanita Persea
Persian Silk Tree (spp.) Persian Walnut (spp.)
Persian Walnut 'Ambassador' Persimmon
Persimmon, American Persimmon, Mexican
Persimmon, Texas