Mysore Trumpetvine 
Nanorrhinum scoparium 
Narrow-leaved hemigenia 
Narrow-leaved Mock Privet 
Narrowleaf Cow Wheat 
Narrowleaf mountainmint 
Narrowleaf Vervain 
Native jasmine 
Nepeta cilicica 
Nepeta congesta 
Nepeta curviflora 
Nepeta glomerata 
Nepeta grandiflora 
Nepeta italica 
Nepeta septemcrenata 
Nepeta trachonitica 
Nerve Plant 
Net-veined Bladderwort 
Nettle-leaf speedwell 
Nettle-leaved Figwort 
New Zealand Hebe 
Nodding Sage 
Northern Bugleweed 
Northern catalpa