Mother-of-Thyme, Creeping Thyme
Mound San Bruno Coffeeberry
Mountain Flax
Mountain Pennyroyal
Mountain Violet Bearded Iris
Mt. Atlas Daisy
Mugho Pine
Munstead Dwarf Lavender
Murphy's Agave
Muskogee Crape Myrtle
Myers Asparagus
Myoporum
Myrtle, True Myrtle
Nandina, Heavenly Bamboo
Natal Plum
Natchez Crape Myrtle
Needle Grass
Netted Chain Fern
New Gold Trailing Lantana