Ok I know winter is not the time to discuss drought plants.
But actually it is the best time...why because when early summer time comes around you will know what type of plants/shrubs to plant for the summer heat.
Ok here we go below are some plants and trees that are very drought tolerant.
Desert Willow - Beautiful purple flowers all summer long. Shrub has mutiple trunks. Low water once established.
Ocotillo - Tall slender branches very low water usage, bright orange or red blooms in early summer.
Creosote - Low Water, yellow blooms start in Feburary, tolerates heat.
Chinaberry - Fast growing tree, yellowish balls in fall, good shade tree, moderate watering.
Pinon - Thrives in the desert mountains. Low Water evergreen. 15 ft tall and wide.
Bird of Paradise - 2 varieties Red or Yellow Flowers, low water once established. 6ft tall and wide. Full sun.
Verbena - Good ground cover, several flowering colors, low water once established.
Eldarica Pine - Evergreen tree, Desert pine or Mondell pine. Fast grower thrives in desert heat.
Live Oak - Evergreen tree, moderate water good ornamental tree.
Mexican Sage - 4ft tall 2 ft wide. Purple-pink and white flowers until first frost.
Lantana - 3ft tall and wide. Varieties have colors of red, blue, purple and yellow. Will flower during summer. Good ground cover.
Texas Ranger Sage - Silvery colored leaves, low water purple flowers in late summer early fall. Makes good hedge shrub, 6ft tall and wide.
Green Cloud Sage - Dark green leaves, little water nice purple flowers in late summer. Makes good hedge shrub.
Pink Rockrose - Evergreen. Likes poor dry soil, low water 3' tall 8' wide.
Centennial - 4ft tall 5 ft wide, evergreen, resists rootrot, violet custers like the wisteria.
Apache Plume - White like rose flower, 8ft tall 5 ft wide, produces feathery purple fruits.
Yellow Elder - 5ft tall and wide sometimes called Tecoma stans. Bright yellow flowers in June
and through Early December.
Butterfly Bush - 8ft tall 6ft wide. Deciduous, purple flower spikes.
Mescal Bean - 15ft tall and wide. Evergreen with vilolet like cluster of wisteria like flowers.
Russian Sage - 3-4 ft tall with summer long blooms, purple like flowering spikes.
Damianita - Petite evergreen shrub yellow blooms from spring to fall. Loves full sun. Low Water
Green Palo Verde - Deciduous Tree, 20 ft tall green trunk with thorns, Good ornamental tree
Blue Palo Verde - Deciduous Tree, 40 ft tall bluegreen trunk with thorns, Good ornamental tree.
Barrell Cactus - Bright orange flower at top of plant, roots are not deep. Rigged hooked spines or needles.
Honey Mesquite - 45ft tall and wide, mutiple trunks. Yellowish orange blooms and thorny branches. Moderate water, produces bean like pods.
Mexican Fan Palm - 45ft tall and 20ft wide. Low water once established.
Red Tip Yucca - 4ft tall and 4ft wide. This very low water shrub is evergreen with pink to rose red, bell-like flower cluster on 4-6' spike.
Italian Cypress - Beautiful narrow columnar evergreen. 40' ft high and 3-4'ft width.
Desert Honeysuckle - Clusters of orange or red tubular flowers in the spring. 3'ft tall and wide. Low water.