'Platina White' Foothill Penstemon 'Platinum Tiara' Hosta
'Platt's Black' Flax Plectranthus 'James'
'Plena' European Meadowsweet 'Pleniflorus' Creeping Buttercup
'Plenum-Caeruleum' Meadow Cranesbill 'Plenum-Violaceum' Meadow Cranesbill
Plover Eggs Plumbago, Blue
Plumbago, Dwarf Plume Celosia 'Castle Orange'
Plume Celosia 'Fresh Look Orange' Plume Celosia 'Fresh Look Red'
Plume Celosia 'Fresh Look Yellow' Plume Celosia 'Orange Kewpie'
Plume Celosia 'Red Kewpie' Plume Celosia 'Yellow'
Plume Poppy Plumed Woolflower 'Castle Orange'
Plumed Woolflower 'Fresh Look Orange' Plumed Woolflower 'Fresh Look Red'
Plumed Woolflower 'Fresh Look Yellow' Plumed Woolflower 'Orange Kewpie'
Plumed Woolflower 'Red Kewpie' Plumed Woolflower 'Yellow'
Plumosa Fern 'Plumosa' Meadow Sage
'Plumosomultilobum' English Hedge Fern 'Plumosum' Oak Fern
'Plus' Florist's Chrysanthemum Plush Plant
Plush Plant: tomentosa 'Pmint Rosita' Blue Love Grass
Poached Egg Flower Pocketbook Flower
Pocketbook Flower: falklandica Pocketbook Plant: hybrid 'Cinderella Mix'
Pocketbook Plant: hybrid 'Cinderella Red' Pocketbook Plant: hybrid 'Cinderella Yellow with Dots'
'Poestlingberg' Magnolia Waterlily 'Poin Set' Daylily
Poinsettia, Japanese (spp.) Poinsettia, Japanese 'Yokoi's White'
Poinsettia: tricolor, Summer 'Molten Fire' Pointed Barrenwort
Poison Bulb Poison Hemlock
Poison Primrose (spp.) Poison Primrose 'Apple Blossom'
Poisonberry Poisonous Nightshade
Poke (spp.) Poker Plant (spp.)
Poker Plant 'Early Hybrids' Poker Plant 'Flamenco'
Poker Plant 'Flava' Poker Plant 'Lola'
Poker Plant 'Pfitzeri' Poker Plant 'Primrose Beauty'
Poker Plant 'Springtime' Pokeweed (spp.)
'Polar Star' African Daisy: Osteospermum Polemonium, Arctic 'Heavenly Habit'
Polemonium, Creeping Polka Dot Plant (spp.)
Polka Dot Plant 'Confetti Red' 'Polo Salmon' Garden Petunia
Polyanthus Primrose (spp.) Polygala, Fringed
'Pomegranate' Yarrow 'Pompom' China Aster
Pond Lily (spp.) Pond Lily 'Sulphurea Grandiflora'
Pondweed Ponysfoot, Silver 'Lawn Leaf'
Ponysfoot, Silver 'Silver Bush' Ponytail Grass
Ponytail Palm Poor Knight's Lily
Poor Man's Orchid Poor Man's Orchid 'Floraboard'