Partridgefoot 'Parvifolia' Shrubby Cinquefoil
'Parzival' Bigleaf Hydrangea Passion Flower, Blue (spp.)
Passion Flower, Blue 'Constance Eliott' Passion Flower, Common (spp.)
Passion Flower, Common 'Constance Eliott' Passion Flower, Crimson
Passion Flower, Grape-leaf Passion Flower, Purple
Passion Flower, Red Passion Flower, Wild
Passion Fruit Passion Vine
Passionflower, Yellow 'Pathfinder' Colorado Red Cedar
'Patiohit® Alicante™' Rose 'Patiohit® Andromeda™' Rose
'Patiohit® Cornelia™' Rose 'Patiohit® Donnaway™' Rose
'Patiohit® Emerald™' Rose 'Patiohit® Estapona' Rose
'Patiohit® Isolde™' Rose 'Patiohit® Minnelli™' Rose
'Patmore' Green Ash 'Patricia' English Ivy
'Patrician' Rose 'Patula' Bowstring Hemp
'Patula' Mother-in-Law's Tongue Patula Pine
'Patula' Snake Plant 'Paul Bosley' Mountain Laurel
Paulownia Paulownia, Royal
Paulownia: kawakamii 'Paul's Scarlet' English Hawthorn
Pawpaw Pea Bush, Pale
Pea, Australia Flame Pea, Glory
Pea, Heart-leaved Flame 'Peace' Butterflybush
'Peace' Rose 'Peach Blow' Rhododendron: hybrid
Peach Leaved Willow Peach, Common (spp.)
Peach, Common 'Corinthian Mauve' Peach, Common 'Corinthian Pink'
Peach, Common 'Corinthian Rose' Peach, Common 'Corinthian White'
Peach, Common 'Icicle' Peach, Common 'NCSU Dwarf Double Red'
Peach, Flowering (spp.) Peach, Flowering 'Corinthian Mauve'
Peach, Flowering 'Corinthian Pink' Peach, Flowering 'Corinthian Rose'
Peach, Flowering 'Corinthian White' Peach, Flowering 'Icicle'
Peach, Flowering 'NCSU Dwarf Double Red' Peach, Ornamental (spp.)
Peach, Ornamental 'Corinthian Mauve' Peach, Ornamental 'Corinthian Pink'
Peach, Ornamental 'Corinthian Rose' Peach, Ornamental 'Corinthian White'
Peach, Ornamental 'Icicle' Peach, Ornamental 'NCSU Dwarf Double Red'
'Peaches and Cream®' Japanese Maple Peacock Flower
Pear Pear 'Winter Nelis'
Pear, Apple Pear, Asian
Pear, Callery (spp.) 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, Common 'Bartlett' Pear, Common 'Bosc'
Pear, Evergreen Pear, Indian Wild
Pear, Nashi Pear, Oriental
Pear, Sand Pear, Ussurian
Pear: fauriei Pear-fruited Mallee
Pearl Bush 'Snow Day® Blizzard' Pearl Bush 'Snow Day® Surprise'
'Pearl Meidiland®' Rose Pearlbush 'The Bride'
Pearlbush, Common Pearlbush, Red
Pearlbush, Sawtooth (spp.) Pearlbush, Turkestan
'Pearls' Azalea