Plants — N
- Nandina domestica Chinese-bamboo
- Naravelia laurifolia
- Narcissus Narcissus (plant)
- Nardostachys jatamansi Indian Nard
- Naringi crenulata hesperethusa
- Nasturtium floridanum Florida Yellowcress
- Nasturtium microphyllum
- Nasturtium officinale Watercress
- Nelumbo nucifera Bean of India
- Neopicrorhiza scrophulariiflora picrorhiza
- Neottia nidus-avis Bird's-Nest Orchid
- Nepenthes boschiana
- Nepenthes distillatoria
- Nepeta Cat-mints
- Nepeta cataria Cat Mint
- Nephelium lappaceum Rambutan
- Nerium oleander Ceylone Rose
- Nicandra physalodes Apple Of Peru
- Nicotiana rustica Aztec Tobacco
- Nicotiana tabacum Cultivated tobacco
- Nigella damascena Damascus hellebore
- Nigella sativa Black Cumin
- Notopterygium incisum
- Nuphar advena Spatter-Dock
- Nuphar lutea
- Nyctanthes arbor-tristis Coral jasmine
- Nymphaea
- Nymphaea alba European Water-lily
- Nymphaea ampla
- Nymphaea nouchali Blue Lotus
- Nymphaea nouchali var. caerulea Blue Lotus
- Nymphaea pubescens Hairy Water Lily