Needle Grass: gigantea Needle Grass: tenuissima
Needle Juniper (spp.) Needle Juniper Weeping
Needle Palm (spp.) Needle Palm 'Bright Edge'
Needle Palm 'Color Guard' Needle Palm 'Golden Sword'
Needle Palm Variegated Needle Palm: hystrix
Needle Spike Rush Needle-bush Wattle
Needle-leaf Pincushion (spp.) Needle-leaf Pincushion 'Tango'
Neem Nimtree Neem Tree
'Neil Z (Pucker Up!®)' Red Osier Dogwood Neillia
Neillia, Chinese Neillia: uekii
'Nellie R. Stevens' Holly Nemesia (spp.)
Nemesia 'Carnival mix' Nemesia 'Sundrops Mixture'
'Neon Flash' Japanese Spirea 'Neon Lights' Rose
'Neon Star' Carnation: Dianthus Nepal Cinquefoil 'Ron McBeath'
Nepalese Browntop Nepalese Paper Plant (spp.)
Nepalese Paper Plant 'Jacqueline Postill' Nephthytis 'White Butterfly'
Neptunia Nerine Lily
Nero's Crown Nerve Plant, Red
Nerve Plant, Silver (spp.) Nerve Plant, Silver 'Minima'
Nerve Plant: macdougalii, Red Net-bush, Common
Netleaf Barberry Netleaf Hackberry
Netleaf Oak Netleaf Oak: rugosa
Nettle Leaved Bellflower 'Bernice' Nettle Leaved Mullein (spp.)
Nettle Leaved Mullein White Nettle Tree
Nettle, Flame (spp.) Nettle, Flame 'ColorBlaze® Dipt in Wine'
Nettle, Flame 'Gay's Delight' Nettle, Flame 'India Frills'
Nettle, Flame 'Kong Rose' Nettle, Flame 'Mars'
Nettle, Flame 'Micawpy' Nettle, Flame 'Victoria Ruffles'
Nettle, Flame 'Wizard™ Golden' Nettle, Flame 'Wizard™ Jade'
Nettle, Flame 'Wizard™ Mix' Nettle, Hedge 'Robusta'
Nettle, Painted (spp.) Nettle, Painted 'ColorBlaze® Dipt in Wine'
Nettle, Painted 'Gay's Delight' Nettle, Painted 'India Frills'
Nettle, Painted 'Kong Rose' Nettle, Painted 'Mars'
Nettle, Painted 'Micawpy' Nettle, Painted 'Victoria Ruffles'
Nettle, Painted 'Wizard™ Golden' Nettle, Painted 'Wizard™ Jade'
Nettle, Painted 'Wizard™ Mix' Nettle, White Hedge
'Nevada' Rose Never-never Plant 'Tricolor'
Nevin's Barberry Nevin's Mahonia
'New Beginning' Rose 'New Blaze' Rose
New Caledonia Pine 'New Century' Hybrid Speedwell
'New Dawn' Rose 'New Design' Hybrid Tulip
New England Aster (spp.) New England Aster 'Alert'
New England Aster 'Alma Potschke' New England Aster 'Bressingham Pink'
New England Aster 'Purple Dome' New England Aster 'Red Star'
New England Aster 'Treasurer' New England Hair Sedge (spp.)
New England Hair Sedge 'Frosted Curls' New England Spinach
'New Gold' Lantana New Guinea Impatiens (spp.)
New Guinea Impatiens 'Celebrette Light Coral' New Guinea Impatiens 'Colorpower Purple Flame'
New Guinea Impatiens 'Pure Beauty Fuchsia' 'New Hampshire Gold' Border Forsythia: intermediahybrid
'New Hampshire Purple' Bloody Cranesbill New Jersey Tea
New Jersey Tea 'Marie Bleu™' 'New Look' Dusty Miller: cineraria
'New Look® Pink' Star Cluster 'New Look® Rosa' Star Cluster
New Mexico Agave New Mexico Locust
New Mexico Prickly Pear New Mexico Privet
'New Millennium Mix' English Larkspur 'New Orleans' Crapemyrtle: indica
New York Aster (spp.) New York Aster 'Frolic'
New York Aster 'Henry III' New York Aster 'Marie III'
New York Aster 'Patricia Ballard' New York Aster 'Peter III'
New York Aster 'Shout' New York Aster 'Twist'
New York Ironweed New Zealand Bur: microphylla (spp.)
New Zealand Cabbage Palm (spp.) New Zealand Cabbage Palm 'Red Star'
New Zealand Chastetree New Zealand Christmas Tree
New Zealand Flax (spp.) New Zealand Flax 'Apricot Queen'
New Zealand Flax 'Dazzler' New Zealand Flax 'Pink Stripe'
New Zealand Flax 'Purpureum' New Zealand Flax 'Rainbow Sunrise (Maori Queen)'
New Zealand Flax 'Surfer' New Zealand Hemp (spp.)
New Zealand Hemp 'Apricot Queen' New Zealand Hemp 'Dazzler'
New Zealand Hemp 'Pink Stripe' New Zealand Hemp 'Purpureum'
New Zealand Hemp 'Rainbow Sunrise (Maori Queen)' New Zealand Hemp 'Surfer'
New Zealand Iris New Zealand Mahogany
New Zealand Spinach 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' New Zealand Teak
New Zealand Wind Grass