North America Native Plant

Creosote Bush

Botanical name: Larrea tridentata var. tridentata

USDA symbol: LATRT

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Covillea tridentata (DC.) Vail (COTR10)  âš˜  Larrea divaricata auct. non Cav. (LADI2)  âš˜  Larrea divaricata Cav. ssp. tridentata (DC.) Felger & C.H. Lowe (LADIT)  âš˜  Larrea glutinosa Engelm. (LAGL11)  âš˜  Larrea mexicana Moric. (LAME6)   

Creosote Bush: The Desert’s Most Resilient Native Shrub If you’re looking for a plant that can handle just about anything Mother Nature throws at it, meet the creosote bush (Larrea tridentata var. tridentata). This remarkable desert native has been thriving in the American Southwest for thousands of years, and it’s ...

Creosote Bush: The Desert’s Most Resilient Native Shrub

If you’re looking for a plant that can handle just about anything Mother Nature throws at it, meet the creosote bush (Larrea tridentata var. tridentata). This remarkable desert native has been thriving in the American Southwest for thousands of years, and it’s ready to bring that same toughness to your garden.

What Makes Creosote Bush Special

The creosote bush isn’t just another desert plant – it’s a true survivor. This perennial shrub is famous for its incredible longevity and drought tolerance. You’ll recognize it by its distinctive resinous scent (especially after rain), small olive-green compound leaves, and cheerful yellow flowers that appear throughout much of the year.

As a multi-stemmed woody shrub, creosote bush typically grows 4-8 feet tall and wide, though it can occasionally reach up to 13-16 feet under ideal conditions. Its open, airy growth habit creates an attractive silhouette against the desert landscape.

Where Creosote Bush Calls Home

This native beauty is perfectly at home across the southwestern United States, naturally occurring in Arizona, California, Nevada, New Mexico, Texas, and Utah. It’s the dominant plant in much of the Sonoran, Mojave, and Chihuahuan deserts, painting vast landscapes with its silvery-green foliage.

Why You’ll Love Growing Creosote Bush

Here’s why creosote bush deserves a spot in your desert or drought-tolerant garden:

  • Ultimate drought tolerance: Once established, it thrives on minimal to no supplemental water
  • Year-round interest: Evergreen foliage provides consistent color and structure
  • Pollinator magnet: Small yellow flowers attract native bees and other desert pollinators
  • Low maintenance: Requires virtually no care once established
  • Aromatic appeal: The distinctive desert rain scent is beloved by many gardeners
  • Wildlife habitat: Provides shelter and nesting sites for desert birds and small animals

Perfect Garden Settings

Creosote bush shines in:

  • Xeriscaped landscapes
  • Desert and southwestern-themed gardens
  • Natural or wild gardens
  • Slopes and areas with poor soil
  • Low-water commercial landscapes
  • Wildlife gardens focused on native species

Growing Conditions and Care

The beauty of creosote bush lies in its simplicity. This desert champion thrives in USDA hardiness zones 8-11 and asks for very little:

Sunlight: Full sun is essential – this plant loves basking in desert sunshine all day long.

Soil: Well-draining soil is crucial. Sandy, gravelly, or rocky soils are perfect. Avoid heavy clay or areas where water collects.

Water: Here’s where creosote bush really shines – it’s incredibly drought tolerant once established. During the first year, provide occasional deep watering to help roots establish, then step back and let nature take over.

Planting and Care Tips

Getting your creosote bush off to a great start is straightforward:

  • Best planting time: Fall through early spring when temperatures are cooler
  • Spacing: Plant 6-8 feet apart to allow for mature spread
  • Initial care: Water deeply but infrequently during the first growing season
  • Ongoing maintenance: Minimal pruning needed – just remove any dead or damaged branches
  • Fertilizing: None needed – this plant thrives in poor soils

A Word of Caution

While creosote bush is fantastic for the right location, it’s not suitable for areas with high humidity or regular irrigation. Overwatering is probably the only way to kill this resilient plant, so resist the urge to pamper it!

The Bottom Line

If you’re gardening in the desert Southwest and want a reliable, beautiful, and ecologically valuable plant, creosote bush is hard to beat. It’s a testament to the beauty of native plants – perfectly adapted to local conditions and requiring minimal resources while providing maximum impact. Plus, there’s something deeply satisfying about growing a plant that’s been thriving in your region since long before humans arrived on the scene.

For desert gardeners seeking authenticity, sustainability, and that unmistakable southwestern character, creosote bush delivers on all fronts.

Creosote Bush

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Sapindales

Family

Zygophyllaceae R. Br. - Creosote-bush family

Genus

Larrea Cav. - creosote bush

Species

Larrea tridentata (DC.) Coville - creosote bush

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA