Powis Castle Artemisia
Prairie Sumac
Prairie Verbena, Sandpaper V.
Premier Bearded Iris
Prickly Poppy
Pride Of Madeira
Primrose Jasmine
Princess Flower
Prostrate or Spreading Acacia
Prostrate Rosemary
Provence Blue Lavandin
Pumpkin Monkey Flower
Purisima Island Tree Mallow
Purple and White Pacific Coast Iris
Purple Carpet Creeping Thyme
Purple Chinese Wisteria
Purple Coneflower
Purple Delight Blue Hibiscus
Purple Dusty Miller
Purple Fountain Grass