New Zealand Flax
Nichol's Willow-leafed Peppermint
Noell's Grevillea
Norfolk Island Pine, Star Pine
Norway Maple
October Daphne
Oldham Bamboo
Oleander
Olive
Opalina Graptoveria
Orange Crush Day Lily
Orange Ice Plant
Orchid or Purple Rockrose
Oregon Ash
Oregon Grape
Oriental Arborvitae
Oriental Fountain Grass
Ornamental onion
Otto Quast Spanish Lavender
Our Lord's Candle