Jupiter's Beard, Red Valerian
Karl Foerster Feather Reed Grass
Katie Ruellia
Kidneywood
Knife Acacia, Knife Blade Acacia
Krauter Vesuvius Flowering Plum
La Jolla Bougainvillea
Lady Banks' Rose
Lamb's Ears
Langman's Sage
Lantana
Large-flowered Blue Star
Large-spine Agave
Lavender Cotton
Leadplant Amorpha
Leather-Leaf Acacia
Lechuguilla
Lemon Bottlebrush
Leucophyllum Houdini
Leucophyllum Sierra Bouquet
