North America Native Plant

Mound Saltbush

Botanical name: Atriplex obovata

USDA symbol: ATOB

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Mound Saltbush: A Hardy Native Shrub for Water-Wise Gardens Meet the mound saltbush (Atriplex obovata), a tough little native shrub that’s ready to prove that good things really do come in small packages. This unassuming perennial might not win any beauty contests, but what it lacks in flashy flowers, it ...

Mound Saltbush: A Hardy Native Shrub for Water-Wise Gardens

Meet the mound saltbush (Atriplex obovata), a tough little native shrub that’s ready to prove that good things really do come in small packages. This unassuming perennial might not win any beauty contests, but what it lacks in flashy flowers, it more than makes up for in resilience and practicality.

What is Mound Saltbush?

Mound saltbush is a low-growing native shrub that stays comfortably under 1.5 feet tall most of the time, though it can occasionally stretch up to 3 feet if it’s feeling ambitious. True to its name, this plant naturally forms neat, rounded mounds that look like someone carefully sculpted them – but that’s just how it grows!

Where Does It Call Home?

This hardy native is a true child of the American Southwest, naturally occurring across Arizona, Colorado, New Mexico, Texas, and Utah. It’s perfectly adapted to the challenging conditions of these regions, making it an excellent choice for gardeners dealing with similar harsh, dry conditions.

Why You Might Want to Plant Mound Saltbush

Here are some compelling reasons to consider adding this modest shrub to your landscape:

  • Water-wise champion: Once established, it thrives with minimal irrigation
  • Low maintenance: This plant practically takes care of itself
  • Erosion control: Its spreading habit helps stabilize soil on slopes
  • Native plant value: Supporting local ecosystems while reducing maintenance needs
  • Year-round presence: As a perennial, it provides consistent structure in the landscape

Perfect Garden Settings

Mound saltbush shines brightest in:

  • Desert and xerophytic gardens
  • Water-wise landscape designs
  • Native plant gardens
  • Areas needing ground cover or erosion control
  • Low-maintenance landscape zones

Growing Conditions and Care

The beauty of mound saltbush lies in its simplicity. This plant thrives in USDA hardiness zones 4-9, making it suitable for a wide range of climates. Here’s what it needs to be happy:

  • Sunlight: Full sun is best – this plant loves to bask in bright light
  • Soil: Well-draining soil is essential; it’s not picky about soil type
  • Water: Drought tolerant once established; overwatering is more harmful than underwatering
  • Space: Give it room to spread into its natural mounded form

Planting and Care Tips

Getting your mound saltbush off to a good start is straightforward:

  • Plant in spring or fall for best establishment
  • Water regularly the first growing season, then reduce significantly
  • Light pruning can help maintain shape, but it’s usually unnecessary
  • Avoid fertilizing – this plant prefers lean conditions
  • Watch for good drainage; soggy soil is this plant’s biggest enemy

Wildlife and Ecosystem Benefits

While mound saltbush might not be a pollinator magnet (it’s wind-pollinated), it still contributes to the ecosystem by providing habitat structure and food sources for various wildlife species adapted to arid environments.

The Bottom Line

Mound saltbush might not be the showiest plant in the garden center, but it’s definitely one of the most reliable. If you’re looking for a native, low-maintenance shrub that can handle tough conditions while providing consistent structure to your landscape, this little powerhouse deserves serious consideration. It’s proof that sometimes the most valuable plants are the ones that quietly do their job without demanding constant attention – and in our busy world, isn’t that exactly what we need?

Mound Saltbush

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Chenopodiaceae Vent. - Goosefoot family

Genus

Atriplex L. - saltbush

Species

Atriplex obovata Moq. - mound saltbush

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