Natal Plum
Natchez Crape Myrtle
Needle Grass
Netted Chain Fern
New Gold Trailing Lantana
New Mexico Sunflower
New Zealand Christmas Tree, Pohutuk
New Zealand Flax
Nichol's Willow-leafed Peppermint
Noell's Grevillea
Norfolk Island Pine, Star Pine
Norway Maple
October Daphne
Old La Rochette Coral Bells
Oldham Bamboo
Oleander
Olive