Orange Ice Plant
Orange Sedge
Orchid or Purple Rockrose
Oregon Ash
Oregon Grape
Oriental Arborvitae
Oriental Fountain Grass
Otto Quast Spanish Lavender
Our Lord's Candle
Pacific Coast Irises
Pacific Madrone
Pacific Mist Manzanita
Pacific Sunset Flannel Bush
Pacific Wax Myrtle
Paprika Fonos Bearded Iris
Parasol Aeonium
Parrasana Agave
Patriot Lantana Classic Passion
Pencil Tree, Pencilbush, Milkbush