Munz Cholla 'Murale' White Stonecrop
'Musfe' Columbine Musk
Musk Mallow (spp.) Musk Mallow White
Mustard Greens 'Red Giant' Mustard, Brown 'Red Giant'
Mustard, Cabbage 'Red Giant' Mustard, Chinese 'Red Giant'
Mustard, Indian 'Red Giant' Mustard, Leaf 'Red Giant'
Mustard, Swatow 'Red Giant' 'My Castle' Lupine
'My Melinda' Daylily 'My Pretty Valentine' Tall Bearded German Iris
'My Ways' Daylily 'Myers' Asparagus Fern
Myrtle Euphorbia Myrtle (spp.)
Myrtle 'Even Steven' Myrtle 'Gold Vein'
Myrtle Variegated Myrtle, Creeping (spp.)
Myrtle, Creeping 'Bowle's Variety' Myrtle, Creeping 'Illumination'
Myrtle, Creeping 'Sterling Silver' Myrtle, Creeping Variegated
Naboom (spp.) 'Naikaimo' Hosta
Nailrod Naked Lady, White
Naked Lady: squamigera Namaqua Aloe
Namibian Grape 'Nana Compacta' Sneezewort
'Nana Peggy' Campion 'Nana Peggy' Lychnis
'Nana Tricolor' Oyster Plant: spathacea 'Nanum Sapphire' Blue Flax
Naranjilla Narcissus Anemone
Narcissus, Trumpet Nardoo, Common
Narrow Buckler Fern Narrow Leaf Blue-eyed Grass
Narrow Leaf Evening Primrose (spp.) Narrow Leaf Evening Primrose 'Summer Solstice'
Narrow Leaf Evening Primrose: fruticosa Narrow Leaf Hosta
Narrow Leaf Ironweed 'Iron Butterfly' Narrow Leaved Cattail
Narrow-Leaf Blue-eyed Grass Narrow-Leaf Sotol
Narrow-Leaf Sunflower (spp.) Narrow-Leaf Sunflower 'Gold Lace'
Narrowleaf Yucca Narrowleaf Yucca: glauca
Narrow-leaved Iceplant Narrow-Spiked Ligularia 'The Rocket'
Nasturtium, Chilean 'Natasha' Meadow Phlox
'Natsusugata' Japanese Iris Nautilus Vine
Navel Wort, Round Leaf Navelwort (spp.)
Navelwort 'Joy Skies' Navelwort 'Starry Eyes'
Navelwort, Creeping (spp.) Navelwort, Creeping White
Needle Grass: gigantea Needle Grass: tenuissima
Needle Palm (spp.) Needle Palm 'Bright Edge'
Needle Palm 'Color Guard' Needle Palm 'Golden Sword'
Needle Palm Variegated 'Neon Star' Carnation: Dianthus
Nepal Cinquefoil 'Ron McBeath' Nephthytis 'White Butterfly'
Neptunia Nerine Lily
Nerve Plant, Red Nerve Plant, Silver (spp.)
Nerve Plant, Silver 'Minima'