Oregon Grape
Oriental Fountain Grass
Ornamental Onion
Otto Quast Spanish Lavender
Our Lord's Candle
Owlswood Blue Ceanothus
Pacific Coast Irises
Pacific Madrone
Pacific Mist Manzanita
Pacific Sunset Flannel Bush
Pacific Wax Myrtle
Palo Brea
Paprika Fonos Bearded Iris
Papyrus, Egyptian Paper Reed
Parasol Aeonium
Parrasana Agave
Parry's Agave
Parry's Beargrass
Parry's Penstemon