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
Norway Maple
Oakleaf Hydrangea
October Daphne
Octopus or Midas Agave
Old Man Cactus
Oldham Bamboo, Giant Timber Bamboo
Oleander
Olive, European Olive
Opal Alum Root Hybrid
Orange Clock Vine