'Marakumo' Japanese Maple Maranon
'Marble Queen' Mirror Plant Marbleberry
'Marbled White' Cherry Laurel 'Marechal Foch' Bigleaf Hydrangea
'Margaret Bee' Japanese Maple 'Margaret Davis' Southern Magnolia
'Marginata' Dinnerplate Aralia 'Marginata' Winter Daphne
'Margret' Hebe: hybrid Maria
Maria: calaba 'Marianne' American Holly
'Marie Bleu™' New Jersey Tea 'Marie Bracey' Japanese Camellia
'Marie Simon' Ceanothus: hybrid 'Mariesii' Hinoki False Cypress
'Marillyn' Magnolia 'Marina' Rose
'Marina(Blue Satin®)' Rose of Sharon Maritime Ceanothus 'Claremont'
Maritime Ceanothus 'Dusty Dawn' Marlberry (spp.)
Marlberry 'Cherimen' Marlberry, Variegated Japanese
Marlberry: escallonioides Marmalade Bush
'Marmo' Freeman Maple 'Marmorata' Deutzia: scabra
Marsh Tea 'Milky Way' 'Marshall' Douglas Fir
'Martin Frobisher' Rose 'Mary Cave' Rose
'Mary Eddinglow' Japanese Maple 'Mary Holman' American Holly
'Mary Kittel' Rose 'Mary Lovett' Rose
'Mary Milton' Doublefile Viburnum: plicatum 'Mary Nell' Holly
'Mary Potter' Flowering Crabapple 'Mary Sumner' Rose
'Masja' Bigleaf Hydrangea 'Mason's Hybrid' Spider Flower
Mass Cane (spp.) Mass Cane 'Limelight'
Mass Cane 'Massangeana' 'Massachusetts' Manzanita
'Massangeana' Corn Plant 'Massena' American Arborvitae
Mastic Mastic Tree
Mastic, Mount Atlas Matacora
'Matanzaki' Japanese Euonymus Matape Beargrass
Match-me-if-you-can (spp.) Match-me-if-you-can 'Haleakala'
Match-me-if-you-can 'Louisiana Red' Match-me-if-you-can 'Obovata'
Match-me-if-you-can 'Petticoat' 'Mathilda Gutges' Bigleaf Hydrangea
'Mathotiana' Japanese Camellia Matted Bush Pea
'Matthew' Japanese Maple 'Maxwellii' Norway Spruce
May Hawthorn 'Maygreen' Boxleaf Honeysuckle
Mayhaw Maypop
Mayten Tree Mayten, Florida
'Mcfetter' Alligator Juniper 'McKay's White' Shrubby Cinquefoil
McMinn's Manzanita Meadowsweet, Virginia
Meadowsweet: japonica, Japanese 'Alpina' Meadowsweet: japonica, Japanese 'Bullata'
Meadowsweet: japonica, Japanese 'Candlelight' Meadowsweet: japonica, Japanese 'Crispa'
Meadowsweet: japonica, Japanese 'Dakota Goldcharm' Meadowsweet: japonica, Japanese 'Dart's Red'
Meadowsweet: japonica, Japanese 'Double Play® Artisan®' Meadowsweet: japonica, Japanese 'Double Play® Gold'
Meadowsweet: japonica, Japanese Dwarf Meadowsweet: japonica, Japanese 'Firelight'
Meadowsweet: japonica, Japanese 'Flaming Mound' Meadowsweet: japonica, Japanese 'Frobelii'
Meadowsweet: japonica, Japanese 'Golden Princess' Meadowsweet: japonica, Japanese 'Goldflame'
Meadowsweet: japonica, Japanese 'Lemon Princess' Meadowsweet: japonica, Japanese 'Little Princess'
Meadowsweet: japonica, Japanese 'Magic Carpet' Meadowsweet: japonica, Japanese 'Neon Flash'
Meadowsweet: japonica, Japanese 'Norman' Meadowsweet: japonica, Japanese 'Shirobana'
Meadowsweet: japonica, Japanese 'White Gold'