Mouse Ear Mouse-eared Coreopsis (spp.)
Mouse-eared Coreopsis Dwarf Mouse-eared Coreopsis 'Zamphir'
'Mr. Majestic' French Marigold 'Mrs. F.J. Close' American Holly
'Mrs. Loewer' Ohio Spiderwort Mrs. Loewer's Spiderwort 'Mrs. Loewer'
'Mt. Fuji' Summer Phlox Mugwort: ludoviciana, Western (spp.)
Mugwort: ludoviciana, Western 'Silver Queen' Mulberry, French
Mulberry, Red 'Multiplex' Bloodroot
Munz Cholla Murray Red Fir
Muscadine Grape 'My Castle' Lupine
Myrsine Myrtle Dahoon
Myrtle Holly Myrtle, Sea
Myrtle: racemiflora Nailrod
Naked Coral Tree Nannyberry Viburnum
Narcissus Anemone Narrow Leaf Blue-eyed Grass
Narrow Leaf Evening Primrose (spp.) Narrow Leaf Evening Primrose 'Summer Solstice'
Narrow Leaf Evening Primrose: fruticosa Narrow Leaf Ironweed 'Iron Butterfly'
Narrow Leaved Cattail Narrow-Leaf Blue-eyed Grass
Narrow-Leaf Sotol Narrow-Leaf Sunflower (spp.)
Narrowleaf Yucca Narrowleaf Yucca: glauca
Narrow-leaf Zinnia (spp.) Narrow-leaf Zinnia 'Classic Golden Orange'
Narrow-leaf Zinnia 'Crystal White' Narrow-leaf Zinnia 'Star White'
Narrow-leaf Zinnia 'Starbright Mix' 'Natasha' Meadow Phlox
'Natsusugata' Japanese Iris Navarro Ceanothus (spp.)
Neanthebella Palm Necklace Pod
Necklace Poplar Needle Grass: tenuissima
Needle Palm (spp.) Needle Palm 'Bright Edge'
Needle Palm 'Color Guard' Needle Palm 'Golden Sword'
Needle Palm Variegated Needle Palm: hystrix
Needle Spike Rush Nephthytis 'White Butterfly'
Neptunia Nerve Plant: macdougalii, Red
Netleaf Hackberry Netleaf Oak
Nettle, White Hedge Nevin's Barberry
Nevin's Mahonia 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 Jersey Tea New Mexico Agave
New Mexico Locust New Mexico Prickly Pear
New Mexico Privet New York Aster (spp.)
New York Ironweed 'Newport Dam' Flowering Dogwood
'Newton Sentry' Sugar Maple 'Nicky' Summer Phlox
Night Blooming Cactus Night Blooming Cactus: undatus
Night Blooming Cereus Night Blooming Hesperaloe
'Night Watch' Hairy Alumroot 'Nigra' American Arborvitae
'Nigra' Gallberry Holly Nile Cabbage
Ninebark, Pacific Ninebark: opulifolius parvifolius
Nipple Cactus Nipple Cactus: muehlenpfordtii
Nipple Cactus: polythele Noble Fir
Nodding Onion Nolina, Bigelow