Netted Chain Fern
New Gold Trailing Lantana
New Mexico Sunflower
New Zealand Christmas Tree, Pohutuk
New Zealand Flax
New Zealand Flax, Purple
New Zealand Flax, Wings of Gold
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