North America Native Plant

Smooth Saltbush

Botanical name: Atriplex pusilla

USDA symbol: ATPU2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Smooth Saltbush: A Humble Native with Hidden Talents Meet the smooth saltbush (Atriplex pusilla), a native annual that might not win any beauty contests but deserves a second look from gardeners seeking low-maintenance, drought-tolerant plants. This unassuming member of the goosefoot family has been quietly thriving in the American West ...

Smooth Saltbush: A Humble Native with Hidden Talents

Meet the smooth saltbush (Atriplex pusilla), a native annual that might not win any beauty contests but deserves a second look from gardeners seeking low-maintenance, drought-tolerant plants. This unassuming member of the goosefoot family has been quietly thriving in the American West long before ornamental gardens were even a thought.

Where You’ll Find Smooth Saltbush Growing Wild

Smooth saltbush calls the western United States home, naturally occurring across California, Idaho, Nevada, and Oregon. This hardy annual has adapted to some pretty challenging conditions, from sandy desert floors to salty soils that would make other plants throw in the towel.

What Does Smooth Saltbush Look Like?

Don’t expect flashy flowers or bold foliage from this modest native. Smooth saltbush typically grows as a small, branching annual herb with grayish-green leaves that have a subtle silvery sheen. The flowers are tiny and inconspicuous – definitely more function than form. While it won’t be the star of your garden show, its understated appearance can provide a nice backdrop for showier natives.

Why Consider Growing Smooth Saltbush?

Here’s where this humble plant starts to shine:

  • Native credibility: As a true native to the western states, it supports local ecosystems
  • Tough as nails: Thrives in poor, sandy, or even salty soils where other plants struggle
  • Water-wise: Once established, it needs minimal irrigation
  • Wildlife friendly: Provides habitat and food sources for native insects and small pollinators
  • Low maintenance: Pretty much grows itself once you get it started

Perfect Spots for Smooth Saltbush

This isn’t your typical border perennial, but smooth saltbush excels in specific garden situations:

  • Xeriscapes and drought-tolerant landscapes
  • Native plant gardens focused on regional species
  • Restoration projects or naturalized areas
  • Problem spots with poor, sandy, or alkaline soil
  • Areas where you want minimal maintenance groundcover

Growing Conditions That Make Smooth Saltbush Happy

The beauty of smooth saltbush lies in its adaptability to tough conditions. It thrives in USDA hardiness zones 4-9 and prefers:

  • Sunlight: Full sun exposure
  • Soil: Sandy, well-draining soil; tolerates alkaline and saline conditions
  • Water: Drought tolerant once established; actually prefers drier conditions
  • Wetland tolerance: Facultative – can handle both wet and dry conditions, though it prefers the drier side

Planting and Care Tips

Growing smooth saltbush is refreshingly straightforward:

  • Direct seed in fall or early spring when soil temperatures are cool
  • Scatter seeds on prepared soil and lightly rake in
  • Water gently until germination, then reduce watering
  • No fertilizer needed – it actually prefers lean soils
  • Allow plants to self-seed for natural spread
  • Minimal to no pruning required

The Bottom Line on Smooth Saltbush

Smooth saltbush won’t transform your garden into a magazine cover, but it offers something perhaps more valuable: resilience, native authenticity, and the satisfaction of working with nature rather than against it. If you’re creating habitat for wildlife, tackling a challenging site, or simply want to include more regional natives in your landscape, this modest annual deserves consideration. Sometimes the most valuable plants are the ones that ask for the least while giving back the most to the ecosystem around them.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Western Mountains, Valleys, and Coast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Smooth 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 pusilla (Torr. ex S. Watson) S. Watson - smooth saltbush

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