Marbleberry 'Mardi Gras' Annual Coreopsis
Mare's Tail 'Margarita BOP' Foothill Penstemon
Marginal Shield Fern 'Marginata' Spanish Bayonet
Marguerite Jaune (spp.) Marguerite Jaune 'Autumn Forest'
Marguerite Jaune 'Becky' Marguerite Jaune 'Double Gold'
Marguerite Jaune 'Goldilocks' Marguerite Jaune 'Indian Summer'
Marguerite Jaune 'Irish Eyes' Marguerite Jaune 'Sonora'
Marguerite Jaune 'TotoŽ' Maria
'Marianne' American Holly Marigold, African (spp.)
Marigold, African 'Cortee Yellow' Marigold, African 'French Vanilla'
Marigold, African 'Snowdrift' Marigold, American (spp.)
Marigold, American 'Cortee Yellow' Marigold, American 'French Vanilla'
Marigold, American 'Snowdrift' Marigold, Aztec (spp.)
Marigold, Aztec 'Cortee Yellow' Marigold, Aztec 'French Vanilla'
Marigold, Aztec 'Snowdrift' Marigold, Big (spp.)
Marigold, Big 'Cortee Yellow' Marigold, Big 'French Vanilla'
Marigold, Big 'Snowdrift' Marigold, Bur 'Golden Goddess'
Marigold, Desert Marigold, Dwarf French (spp.)
Marigold, Dwarf French 'Bonanza Bolero' Marigold, Dwarf French 'Calico'
Marigold, Dwarf French 'Golden Gate' Marigold, Dwarf French 'Harlequin'
Marigold, Dwarf French 'Mr. Majestic' Marigold, Dwarf French 'Orange Jacket'
Marigold, Dwarf French 'Queen Sophia' Marigold, Dwarf French 'Zenith Golden Yellow'
Marigold, French (spp.) Marigold, French 'Bonanza Bolero'
Marigold, French 'Calico' Marigold, French 'Golden Gate'
Marigold, French 'Harlequin' Marigold, French 'Mr. Majestic'
Marigold, French 'Orange Jacket' Marigold, French 'Queen Sophia'
Marigold, French 'Zenith Golden Yellow' Marigold, Lemmons
Marigold, Marsh Marigold, Mount Lemmon
Marigold, Mountain Marigold, Signet 'Lulu'
Marigold, Striped Mexican 'Lulu' Mariposa Lily, Clubhair
Maritime Ceanothus 'Claremont' Maritime Ceanothus 'Dusty Dawn'
Marlberry: escallonioides 'Marmo' Freeman Maple
Marsh Betony Marsh Blue Violet 'White Czar'
Marsh Grass Marsh Grass: bakeri
Marsh Marigold Marsh Milkweed (spp.)
Marsh Milkweed 'Ice Ballet' Marsh Woundwort
'Marshall' Douglas Fir 'Marshal's Delight' Bee Balm: didyma
'Mary Gregory' Stokes' Aster 'Massachusetts' Manzanita
'Massena' American Arborvitae Mastic
Matacora Matape Beargrass
Matgrass Matilija Poppy
Matilja Poppy Maximillian Daisy
Maximillian Sunflower May Hawthorn
Mayapple Mayhaw
Maypop Mayten, Florida
'Mcfetter' Alligator Juniper Meadow Foam
Meadow Grass Meadow Lily
Meadow Phlox 'Flower Power' Meadow Phlox 'Natasha'
Meadowsweet (spp.)