Mousehole Tree 'Mousmee' Bigleaf Hydrangea
'Mozart' Rose 'Mozart' Rosemary
'Mr. Goldstrike' Japanese Laurel 'Mrs. C.H. Gill' Heath
'Mrs. F.J. Close' American Holly 'Mrs. G.W. Leak' Rhododendron: hybrid
'Mrs. Popple' Fuchsia Mt. Emei Evergreen Dogwood
Mt. Etna Broom 'Mt. Fire' Japanese Pieris
'Mt. Fuji' Thunberg Spirea Mt. Tamalpais Manzanita
Mt. Tranquillon Ceanothus 'Gerda Isenberg' 'Mu' Chinese Date
'Mucronata' Norway Spruce Mueller Araucaria
Muellers Terminalia Mugo Pine (spp.)
Mugo Pine 'Compacta' Mugo Pine 'Gallica'
Mugo Pine 'Gnom' Mugo Pine 'Oregon Jade'
Mugo Pine 'Valley Cushion' Mugo Pine 'White Bud'
Mukwa Mulberry, Aino
Mulberry, Black Mulberry, Common (spp.)
Mulberry, Common 'Chaparral' Mulberry, Common 'Paper Dolls'
Mulberry, Common Weeping Mulberry, French
Mulberry, Indian Mulberry, Paper
Mulberry, Red Mulberry, White (spp.)
Mulberry, White 'Chaparral' Mulberry, White 'Paper Dolls'
Mulberry, White Weeping Mulberry: alba tartarica, White
Mulga, True Multiflora Rose 'Verdun'
'Multiplex' Flowering Almond 'Munstead' English Lavender
'Murasaki kiyohime' Japanese Maple Murray Red Fir
Murray Red Gum Muscadine Grape
'Muskogee' Lavender Crapemyrtle Mussaenda
'My Monet™' Old Fashioned Weigela 'Mylonniana' American Arborvitae
Myoporum Myoporum, Creeping
Myoporum, Slender 'Myosotidifolia' American Boxwood
Myrceugenia Myrobalan
Myrobalan Plum (spp.) Myrobalan Plum 'Atropurpurea'
Myrobalan Plum 'Hessei' Myrobalan Plum 'Krauter Vesuvius'
Myrobalan Plum 'Mount Saint Helens' Myrobalan Plum 'Nigra'
Myrobalan Plum 'Thundercloud' Myrsine
Myrtle Dahoon Myrtle Holly
Myrtle Oak Myrtle Willow
Myrtle, Brown Myrtle, Foxtail (spp.)
Myrtle, Foxtail 'Boetica' Myrtle, Foxtail 'Compacta'
Myrtle, Foxtail 'Compacta Variegata' Myrtle, Foxtail 'Microphylla'
Myrtle, Foxtail Variegated Myrtle, Gum
Myrtle, Honey Myrtle, Sea
Myrtle, Silver Myrtle, Sweet Willow (spp.)
Myrtle, Sweet Willow 'Belbra Gold' Myrtle, Sweet Willow Dwarf
Myrtle, Western Tea Myrtle, White
Myrtle: racemiflora 'Mystic Meidiland®' Rose
Naboom (spp.) Naboom Variegated
Nagi Podocarpus 'Nain Rouge' Old Fashioned Weigela
Naked Coral Tree Naked Flower
Naked Flower: glandulosa Naked Flower: hirtiflora