Mosquito Grass, Blue Grama Grass
Moss Verbena
Mother Fern
Mother-of-Thyme, Creeping Thyme
Mountain Aloe
Mountain Flax Cream Delight
Mountain Mahogany, Hardtack
Mountain Violet Bearded Iris
Mt. Atlas Daisy
Munstead Dwarf Lavender
Murphy's Agave
Muskogee Crape Myrtle
Myer's Asparagus
Myrtle, True Myrtle
Nandina, Heavenly Bamboo
Natal Plum
Natchez Crape Myrtle
Netted Chain Fern
New Gold Trailing Lantana
New Mexico Sunflower