Mock Azalea (spp.) Mock Azalea 'Crimson Star'
Mock Mesquite Mock Orange (spp.)
Mock Orange 'Bouquet Blanc' Mock Orange 'Creme De Menthe'
Mock Orange 'Scheesturm' Mock Orange 'Snow Velvet'
Mock Orange 'Turners Dwarf' Mock Orange Variegated
Mock Orange 'White Rock' Mock Orange 'Yellow Hill'
Mock Orange, Lemoine (spp.) Mock Orange, Lemoine 'Innocence'
Mock Orange, Lemoine 'Manteau d' Hermine' Mock Orange, Sweet (spp.)
Mock Orange, Sweet 'Buckley's Quill' Mock Orange, Sweet Golden
Mock Orange, Sweet Variegated Mock Orange: falconerihybrid
Mock Orange: schrenkii Mock Orange: virginalishybrid 'Minnesota Snowflake'
Mockorange Modjadji Cycad
'Mohawk' Burkwood Viburnum 'Mohican' Wayfaring Tree
Molle Molten Silver Heath 'Mediterranean Pink'
Molten Silver Heath 'Mediterranean White' Molten Silver Heath 'Silberschmelze'
'Momenshide' Japanese Maple Mondurup Bell
Mondurup Bell: macrostegia Monro's Ragwort
'Monstrosus' Rose of Sharon 'Montchanin' Azalea
'Monterey Carpet' Monterey Manzanita Monterey Ceanothus 'Snowball'
Monterey Manzanita 'Buxifolia' Monterey Manzanita 'Mills'
Monterey Manzanita 'Monterey Carpet' Monterey Manzanita 'Wayside'
Monterey Manzanita: hookeri hookeri 'Montezuma' Rose
'Montgomery' Colorado Spruce 'Moon Bay' Heavenly Bamboo
'Moonlight' Autumn Sage 'Moonlight' Philodendron
'Moonshadow' Butterflybush Morgan Wattle
Mormon Tea Morning-Noon-and-Night
'Morris Dwarf' Japanese Holly 'Morris Midget' Japanese Boxwood
'Morton' Large Fothergilla Moss Locust
'Mother of Pearl' Snowberry Mother-in-Law's Tongue 'Patula'
Mother-in-Law's Tongue 'Pulchra' Mother-in-Law's Tongue 'Golden Hahnii'
Mother-in-Law's Tongue 'Silver Queen' Mother-in-Law's Tongue: fischeri
Mottlecah Mottled Spurge
Moundlily Yucca (spp.) Moundlily Yucca Variegated
'Mount Townsend' Shrubby Cinquefoil Mountain Ash
Mountain Ash, Pacific Mountain Ash, Sitka
Mountain Ash, Western Mountain Ash: multijuga
Mountain Blueberry Mountain Bluecurls
Mountain Box 'Point Reyes' Mountain Box 'Radiant'
Mountain Correa Mountain Currant (spp.)
Mountain Currant 'Green Mound' Mountain Hydrangea 'Akisho Temori'
Mountain Hydrangea 'Amagi Amacha' Mountain Hydrangea 'Beni-gaku'
Mountain Hydrangea 'Blue Billow' Mountain Hydrangea 'Coerulea Lace'
Mountain Hydrangea 'Diadem' Mountain Hydrangea 'Golden Sunlight'
Mountain Hydrangea 'Grayswood' Mountain Hydrangea 'Kiyosumi'
Mountain Hydrangea 'Midoriboshi Temari' Mountain Hydrangea 'Miranda'
Mountain Hydrangea 'Miyama Yac Muroski' Mountain Hydrangea 'Pink Beauty'
Mountain Hydrangea 'Purple Tiers' Mountain Hydrangea 'Shashiva'
Mountain Hydrangea 'Shirofugi' Mountain Hydrangea 'Shirotae'
Mountain Hydrangea 'Tiny Tuff Stuff™' Mountain Hydrangea 'Tuff Stuff™'
Mountain Joint Fir Mountain Laurel (spp.)
Mountain Laurel 'Bullseye' Mountain Laurel 'Carousel'
Mountain Laurel 'Elf' Mountain Laurel 'Freckles'
Mountain Laurel 'Heart of Fire' Mountain Laurel 'Heart's Desire'
Mountain Laurel 'Keepsake' Mountain Laurel 'Little Linda'
Mountain Laurel 'Meteor' Mountain Laurel 'Minuet'
Mountain Laurel 'Olympic Fire' Mountain Laurel 'Olympic Wedding'
Mountain Laurel 'Ostbo Red' Mountain Laurel 'Paul Bosley'
Mountain Laurel 'Peppermint' Mountain Laurel 'Pink Surprise'
Mountain Laurel 'Raspberry Glow' Mountain Laurel 'Star Cluster'
Mountain Laurel White Mountain Mahogany
Mountain Mahogany: montanus blancheae Mountain Maple
Mountain Pieris Mountain Pine (spp.)
Mountain Pine 'Compacta' Mountain Pine 'Gallica'
Mountain Pine 'Gnom' Mountain Pine 'Oregon Jade'
Mountain Pine 'Valley Cushion' Mountain Pine 'White Bud'
Mountain Pine: mugo mugo Mountain Rock Dwarf
Mountain Stewartia Mountain Waratah
Mountain Wineberry Mountain Yucca
Mountian Azalea Mountian Rosebay (spp.)
Mountian Rosebay 'Boursault' Mountian Rosebay White
Mountian Sweet Pepperbrush Mountian Witchalder (spp.)
Mountian Witchalder 'Huntsman' Mountian Witchalder 'Morton'