'Popsicle' Lupine 'Popsicles' Lantana
'Popsie' Louisiana Iris Porcelain Berry Vine (spp.)
Porcelain Berry Vine 'Elegans' 'Porcupine' Pot Marigold
Porcupine Tomato Pork and Beans
Porphyrocoma Port Jackson Fig (spp.)
Port Jackson Fig Variegated Port Lincoln Mallee
Port Orford Cedar (spp.) Port Orford Cedar 'Aurea Densa'
Port Orford Cedar 'Columnaris' Port Orford Cedar 'Erecta'
Port Orford Cedar 'Fletcheri' Port Orford Cedar 'Globosa Nana'
Port Orford Cedar Golden Port Orford Cedar Golden
Port Orford Cedar 'Green Pillar' Port Orford Cedar 'Intertexta'
Port Orford Cedar 'Lane' Port Orford Cedar 'Lane's Aurea'
Port Orford Cedar 'Minima Aurea' Port Orford Cedar 'Pembury Blue'
Port Orford Cedar 'Pottenii' Port Orford Cedar 'Triomf van Boskoop'
Port Orford Cedar 'Wisselii' Port Orford Cedar 'Yvonne'
Porterweed, Blue Porterweed, Coral Variegated
Porterweed, Purple Portia Tree
'Portor's Rossevelt' Boston Fern 'Portrait' Rose
Portugal Lauel Portugese Cypress
Portugese Laurel Cherry Portuguese Squill
'Portuguese Velvet' Mediterranean Spurge Portulaca, Garden (spp.)
Portulaca, Garden 'Margarita Peppermint' Portulaca, Garden 'Margarita Rosita'
Portulaca, Garden 'Sundial Cream' Portulaca, Garden 'Sundial Mango'
Portulaca, Garden 'Sundial Peach' Portulaca, Garden 'Sundial Pink'
Portulaca, Garden 'Sundial Yellow' Portulaca, Garden 'Sunseeker Pink'
Portulaca, Garden 'Tropical Fruit' Possum Haw Holly (spp.)
Possum Haw Holly 'Benton' Possum Haw Holly 'Byers Golden'
Possum Haw Holly 'Cascade' Possum Haw Holly 'Council Fire'
Possum Haw Holly 'Hunter' Possum Haw Holly 'Miller City'
Possum Haw Holly 'Pocohantas' Possum Haw Holly 'Sentry'
Possum Haw Holly 'Sundance' Possum Haw Holly 'Warren's Red'
Possum Haw (spp.) Possum Haw Viburnum (spp.)
Possum Haw Viburnum 'Brandywine™' Possum Haw Viburnum 'Winterthur'
Possum Haw 'Brandywine™' Possum Haw 'Winterthur'
Possumwood Post Oak
'Postelense' Hedge Maple Pot Marigold (spp.)
Pot Marigold 'Sunlovers Skyfire' Pot Marigold 'Alpha'
Pot Marigold 'Ball's Gold' Pot Marigold 'Bon Bon Apricot'
Pot Marigold 'Bon Bon Orange' Pot Marigold 'Bon Bon Yellow'
Pot Marigold 'Coffee Cream' Pot Marigold 'Fiesta Gitana'
Pot Marigold 'Greenheart Orange' Pot Marigold 'Indian Prince'
Pot Marigold 'Kablouna' Pot Marigold 'Pacific Beauty'
Pot Marigold 'Pink Surprise' Pot Marigold 'Porcupine'
Pot Marigold 'Princess Black Centered Orange' Pot Marigold 'Resina'
Pot Marjoram (spp.) Pot Marjoram Golden
Pot Marjoram 'Thumbles' Pot Marjoram Variegated
Pot Mum (spp.) Pot Mum 'Alisha'
Pot Mum 'Ashley' Pot Mum 'Barbie'
Pot Mum 'Bethany' Pot Mum 'Bonnie'
Pot Mum 'Bright Gretchan' Pot Mum 'Cool Cheryl'
Pot Mum 'Darlene' Pot Mum 'Diana'
Pot Mum 'Durango' Pot Mum 'Fiona'
Pot Mum 'Flashy Gretchen' Pot Mum 'Frosty Jeanette'
Pot Mum 'Hankie' Pot Mum 'Harvard'
Pot Mum 'Hillside Pink Sheffield' Pot Mum 'Hope'
Pot Mum 'Irvine Currant' Pot Mum 'Irvine Dark Bronze'
Pot Mum 'Irvine Pink' Pot Mum 'Irvine Red'
Pot Mum 'Irvine Regal' Pot Mum 'Irvine Yellow'
Pot Mum 'Jacqueline' Pot Mum 'Jillian'
Pot Mum 'Jolly Cheryl' Pot Mum 'Mary'
Pot Mum 'Mia' Pot Mum 'Minnautumn'
Pot Mum 'Miranda' Pot Mum 'Phyllis'
Pot Mum 'Plus' Pot Mum 'Priscilla'
Pot Mum 'Richmond' Pot Mum 'Rivendell'
Pot Mum 'Rock' Pot Mum 'Sheffield'
Pot Mum 'Sly-Jenna' Pot Mum 'Sparkling Cheryl'
Pot Mum 'Spirit Lake' Pot Mum 'Swing'
Pot Mum 'Theresa' Pot Mum 'White Needle'
Pot Mum 'Wilma' Pot Mum 'Yellow Sharp'
Pot of Gold (spp.) Pot of Gold 'Baby Sun'
Pot of Gold 'Goldfink' Pot of Gold 'Sterntaler'
Pot of Gold: verticillata 'Golden Showers' Pot of Gold: verticillata 'Grandiflora'
Pot of Gold: verticillata 'Moonbeam' Pot of Gold: verticillata 'Zagreb'