Nichol's Willow-leafed Peppermint
Noell's Grevillea
Norfolk Island Pine, Star Pine
October Daphne
Oldham Bamboo
Oleander
Olive
Opal Alum Root Hybrid
Orange Clock Vine
Orange Crush Daylily
Orange Ice Plant
Orchid or Purple Rockrose
Oregon Ash
Oregon Grape
Oriental Arborvitae
Oriental Fountain Grass
Ornamental Strawberry, G. Pastures
Otto Quast Spanish Lavender
Our Lord's Candle
Pacific Coast Irises
