'Pres. Grevy' Common Lilac 'President Lincoln' Common Lilac
'Prestige Scarlet' Crested Celosia Preston Lilac 'Coral'
Preston Lilac 'James Macfarlane' Preston Lilac 'Minuet'
Preston Lilac 'Miss Canada' Preston Lilac 'Red Wine'
'Pretty in Rose' Madagascar Periwinkle Pretty Pebbles
Prickley Ash, Lime Prickly Acacia
Prickly Ash, Chinese Prickly Ash, Common
Prickly Ash, Flatspine Prickly Ash, Northern
Prickly Ash, Southern Prickly Castor Oil Tree
Prickly Cedar Prickly Juniper
Prickly Leaved Paperbark Prickly Leaved Wattle
Prickly Moses Prickly Pear Cactus (spp.)
Prickly Pear Cactus 'True Burbank Thornless' Prickly Pear Cactus: brasiliensis
Prickly Pear Cactus: clavata Prickly Pear Cactus: compressa
Prickly Pear Cactus: leucotricha Prickly Pear Cactus: microdasys
Prickly Pear Cactus: phaeacantha Prickly Pear Cactus: phaeacantha discata
Prickly Pear Cactus: platicans Prickly Pear Cactus: spinosissima
Prickly Pear, Blind Prickly Pear, Chaparral
Prickly Pear, Coast Prickly Pear, Eastern
Prickly Pear, New Mexico Prickly Pear, Plains
Prickly Pear, Purple Fruited Prickly Pear, Spineless
Prickly Pear, Tall Coast Prickly Poppy
Prickly Tea Tree 'Horizantalis' Prickly Waterlily
Pride of Bolivia Pride of Burma Ginger (spp.)
Pride of Burma Ginger 'White Flame' Pride of India (spp.)
Pride of India 'Jade Snowflake' Pride of Madeira
Pride of Table Mountain 'Primadonna® Rose' Purple Coneflower
'Primavera' Witchhazel: intermediahybrid 'Prime Minister' Summer Phlox
'Primera' Urn Plant 'Primetime Plum' Garden Petunia
'Primetime Rose' Garden Petunia 'Primrose Beauty' Red Hot Poker
'Primrose Beauty' Shrubby Cinquefoil 'Primrose' Common Lilac
Primrose Creeper, Dwarf Primrose Jasmine
Primrose (spp.) 'Primrose Yellow' Garden Canna
Primrose, Baby Primrose, Beach Evening
Primrose, Big Fruit Evening (spp.) Primrose, Big Fruit Evening 'Silver Wings'
Primrose, Candelabra Primrose, Cape
Primrose, Common (spp.) Primrose, Cowboy
Primrose, English (spp.) Primrose, Evening
Primrose, Fairy Primrose, Fragrant Evening
Primrose, German (spp.) Primrose, German 'Apple Blossom'
Primrose, Japanese Primrose, Mexican Evening (spp.)
Primrose, Mexican Evening 'Rosea' Primrose, Missouri Evening (spp.)
Primrose, Missouri Evening 'Silver Wings' Primrose, Narrow Leaf Evening (spp.)
Primrose, Narrow Leaf Evening 'Summer Solstice' Primrose, Pink Evening (spp.)
Primrose, Pink Evening 'Rosea' Primrose, Poison (spp.)
Primrose, Poison 'Apple Blossom' Primrose, Polyanthus (spp.)
Primrose, Showy Evening (spp.) Primrose, Showy Evening 'Rosea'
Primrose, Sikkimensis (spp.) Primrose, Sikkimensis 'Ceperly Hybrid'
Primrose, Top (spp.) Primrose, Top 'Apple Blossom'
Primrose, Tufted Evening Primrose, White Evening (spp.)
Primrose, White Evening 'Rosea' Primrose: capitata
Primrose: fruticosa, Narrow Leaf Evening Primrose: hybrid 'Cowichan'
Primrose: hybrid 'Kewensis' Primrose: hybrid 'Tie Dye'
Primula, Orchid (spp.) Primula, Orchid 'Orchid Primrose'