'New Beginning' Rose 'New Blaze' Rose
'New Dawn' Rose 'New Gold' Lantana
'New Hampshire Gold' Border Forsythia: intermediahybrid New Jersey Tea
New Jersey Tea 'Marie Bleu™' New Mexico Privet
'New Orleans' Crapemyrtle: indica New Zealand Cabbage Palm 'Red Star'
New Zealand Christmas Tree New Zealand Tea Tree (spp.)
New Zealand Tea Tree 'Big Red' New Zealand Tea Tree 'Crimson Glory'
New Zealand Tea Tree 'Helen Strybing' New Zealand Tea Tree 'Jubilee'
New Zealand Tea Tree 'Kiwi' New Zealand Tea Tree 'Prostratum Pink Cascade'
New Zealand Tea Tree 'Snow Flake' 'Newport' Brush Cherry
'Newport' Doublefile Viburnum: plicatum 'Newport Red' Old Fashioned Weigela
'Nicks Compact' Chinese Juniper 'Nigra' Bigleaf Hydrangea
'Nigra Compacta' Oriental Spruce 'Nigra' Gallberry Holly
'Nike' Lilac 'Nikko Blue' Bigleaf Hydrangea
'Nimbus' Magnolia Ninebark 'Coppertina™'
Ninebark 'Purple' Ninebark 'Tiny Wine®'
Ninebark, Pacific Ninebark: opulifolius parvifolius
Nippon Spirea (spp.) Nippon Spirea 'Snowmound'
'Niro gawa' Japanese Maple 'Nishiki momiji' Japanese Maple
'Nitche's Choice' Butterflybush 'Noble Upright' Japanese Holly
'Noellii' Spider Flower 'Nomura Select' Japanese Maple
'Nora Grant' Flame of the Woods 'Norma' Garden Croton
'Norman' Japanese Spirea Northern Bayberry
Northern Catalpa Golden Northern Lowbush Blueberry
'Northern Starburst' Rhododendron: hybrid Northern White Cedar 'Anna's Magic Ball™'
Northern White Cedar 'Compacta' Northern White Cedar 'Danica'
Northern White Cedar 'Ericoides' Northern White Cedar 'Filiformis Nana'
Northern White Cedar 'Filip's Magic Moment' Northern White Cedar 'Froebelii'
Northern White Cedar 'Globosa Rheindiana' Northern White Cedar 'Hoveyi'
Northern White Cedar 'Little Elfie' Northern White Cedar 'Little Gem'
Northern White Cedar 'Little Giant' Northern White Cedar 'Minima'
Northern White Cedar 'Minuta' Northern White Cedar 'Pumila Sudworth'
Northern White Cedar 'Recurva Nana' Northern White Cedar 'Rheingold'
Northern White Cedar 'Sherwood Moss' Northern White Cedar 'Techny Gold™'
Northern White Cedar 'Teddy' Northern White Cedar 'Tiny Tim'
Northern White Cedar 'Umbracalifera' Northern White Cedar 'Wareana'
Northern White Cedar 'Wareana Hollandica' Northern White Cedar Weeping
Northern White Cedar 'Woodwardii' Norway Pine 'Don Smith'
Norway Spruce 'Barryi' Norway Spruce 'Bird's Nest'
Norway Spruce 'Diffusa' Norway Spruce Dwarf
Norway Spruce 'Echiniformis' Norway Spruce 'Gregoryana'
Norway Spruce 'Little Gem' Norway Spruce 'Microsperma'
Norway Spruce 'Pumila Glauca' Norway Spruce 'Pumila Nigra'
Norway Spruce 'Remontii' Norway Spruce 'Tabuliformis'
'Notcutt' European Cranberrybush Viburnum 'Noyo Chief' Rhododendron: hybrid
'Nuits de Young' Rose Nut Pine
'O kagami' Japanese Maple 'O shi rini' Japanese Maple