North America Native Plant

Burrobrush

Botanical name: Hymenoclea salsola var. pentalepis

USDA symbol: HYSAP

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Ambrosia salsola (Torr. & A. Gray) Strother & B.G. Baldw. var. pentalepis (Rydb.) Strother & B.G. Baldw. (AMSAP)  âš˜  Hymenoclea pentalepis Rydb. (HYPE4)   

Burrobrush: A Hardy Native Shrub for Desert Gardens If you’re looking to create a water-wise garden that celebrates the natural beauty of the American Southwest, burrobrush (Hymenoclea salsola var. pentalepis) might just be the unsung hero your landscape needs. This tough little native shrub proves that sometimes the most understated ...

Burrobrush: A Hardy Native Shrub for Desert Gardens

If you’re looking to create a water-wise garden that celebrates the natural beauty of the American Southwest, burrobrush (Hymenoclea salsola var. pentalepis) might just be the unsung hero your landscape needs. This tough little native shrub proves that sometimes the most understated plants make the biggest impact in the right setting.

What Is Burrobrush?

Burrobrush is a perennial shrub that stays refreshingly compact, typically growing to just 1.5 feet tall and rarely exceeding 3 feet at maturity. Don’t let its modest size fool you – this low-growing powerhouse is perfectly adapted to thrive in some of the harshest conditions the desert can dish out. Its silvery-gray foliage and naturally rounded form give it an almost sculptural quality that adds subtle texture to any landscape.

Where Burrobrush Calls Home

This hardy native is right at home across the southwestern United States, naturally occurring in Arizona, California, and Nevada. As a true native species, burrobrush has spent thousands of years perfecting its survival strategies in these desert regions.

Why Choose Burrobrush for Your Garden?

There are several compelling reasons to consider adding burrobrush to your landscape:

  • Water-wise champion: Once established, this drought-tolerant shrub needs minimal irrigation
  • Low maintenance: Requires very little care beyond occasional light pruning
  • Native plant benefits: Supports local ecosystems and is perfectly adapted to regional conditions
  • Compact size: Won’t overwhelm smaller spaces or crowd out other plants
  • Erosion control: Helps stabilize soil on slopes and disturbed areas

Perfect Garden Settings

Burrobrush shines in:

  • Desert and xeriscape gardens
  • Naturalistic southwestern landscapes
  • Rock gardens and gravel gardens
  • Slopes needing erosion control
  • Low-water commercial landscapes

This versatile shrub works beautifully as a ground cover, grouped in masses, or scattered throughout a mixed native planting for a more natural look.

Growing Conditions and Care

Burrobrush is refreshingly easy to please once you understand its preferences:

Ideal Growing Conditions

  • Sunlight: Full sun (6+ hours daily)
  • Soil: Well-draining soil is essential – avoid heavy clay or areas that stay wet
  • Water: Drought tolerant once established; water sparingly
  • Climate: Thrives in USDA hardiness zones 8-10

Planting and Care Tips

Getting your burrobrush off to a good start is straightforward:

  • Planting time: Spring or fall when temperatures are moderate
  • Soil preparation: Ensure excellent drainage – amend heavy soils with sand or gravel
  • Watering: Water regularly the first year to establish roots, then reduce to occasional deep watering
  • Fertilizing: Generally unnecessary – desert natives prefer lean soils
  • Pruning: Light pruning in late winter to maintain shape if desired

Is Burrobrush Right for Your Garden?

Burrobrush is an excellent choice if you’re gardening in the Southwest and want a reliable, low-maintenance native plant. It’s particularly valuable for gardeners committed to water conservation and supporting native ecosystems. However, if you’re looking for showy flowers or dramatic seasonal color changes, you might want to pair burrobrush with more ornamental companions rather than relying on it as a focal point.

This humble shrub may not win any beauty contests, but it earns its place in the garden through reliability, drought tolerance, and its important role in supporting native plant communities. Sometimes the best garden plants are the ones that simply do their job well without demanding constant attention – and burrobrush definitely fits that bill.

Burrobrush

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Hymenoclea Torr. & A. Gray ex A. Gray - burrobrush

Species

Hymenoclea salsola Torr. & A. Gray - burrobrush

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