North America Native Plant

Cibola Milkvetch

Botanical name: Astragalus albulus

USDA symbol: ASAL5

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Cibola Milkvetch: A Rare Southwestern Native Worth Protecting Meet the Cibola milkvetch (Astragalus albulus), a charming little native plant that’s been quietly holding down the fort in America’s Southwest for who knows how long. This unassuming perennial shrub might not be the flashiest plant in the garden center, but it’s ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Cibola Milkvetch: A Rare Southwestern Native Worth Protecting

Meet the Cibola milkvetch (Astragalus albulus), a charming little native plant that’s been quietly holding down the fort in America’s Southwest for who knows how long. This unassuming perennial shrub might not be the flashiest plant in the garden center, but it’s got something special going for it – it’s a true local native with a story worth telling.

What Makes Cibola Milkvetch Special?

The Cibola milkvetch is a compact, low-growing shrub that keeps things modest, typically staying under 1.5 feet tall and never getting much taller than 3 feet even when it’s feeling ambitious. As a perennial, it’s in it for the long haul, coming back year after year to grace your garden with its steady presence.

This little shrub belongs to the legume family, which means it’s got that cool nitrogen-fixing superpower that helps improve soil health – talk about being a good neighbor in the plant community!

Where Does It Call Home?

Cibola milkvetch is a proud native of the lower 48 states, specifically making its home across Arizona, New Mexico, and Texas. It’s perfectly adapted to life in the American Southwest, where it has evolved alongside local wildlife and weather patterns for thousands of years.

A Word About Rarity

Here’s where things get important: Cibola milkvetch has a Global Conservation Status of S3S4, which puts it in the uncommon to fairly common category but still indicates it deserves our attention and care. This isn’t a plant you’ll find at every garden center, and that’s exactly why it matters.

If you’re interested in growing this native beauty, please make sure you source it responsibly. Look for nurseries that specialize in native plants and can guarantee their stock comes from ethical propagation rather than wild collection. This helps protect wild populations while still allowing gardeners to enjoy and support native species.

Why Choose Native Plants Like Cibola Milkvetch?

There are plenty of good reasons to consider adding native plants like Cibola milkvetch to your landscape:

  • They’re perfectly adapted to local climate conditions
  • They support local ecosystems and wildlife
  • They typically require less water and maintenance once established
  • They help preserve regional plant diversity
  • They connect your garden to the natural heritage of your area

Is Cibola Milkvetch Right for Your Garden?

This native shrub is ideal for gardeners in Arizona, New Mexico, and Texas who want to create landscapes that reflect their region’s natural beauty. Its compact size makes it suitable for smaller spaces, native plant gardens, xeriscapes, or anywhere you want to add authentic Southwestern character.

Given its low-growing habit, Cibola milkvetch works well as a groundcover alternative or in mixed native plantings where it can mingle with other regional species. It’s particularly valuable for gardeners interested in supporting local biodiversity and creating habitat for native wildlife.

The Bottom Line

Cibola milkvetch may not be the easiest plant to find, but for the right gardener in the right location, it offers something special: a chance to grow a piece of authentic Southwestern heritage while supporting conservation efforts. If you’re in its native range and can source it responsibly, this little native shrub could be a wonderful addition to a thoughtfully planned native garden.

Remember, every native plant we grow is a small vote for biodiversity and a step toward creating landscapes that truly belong in their place. Sometimes the most meaningful plants aren’t the showiest ones – they’re the ones with the deepest roots in the land we call home.

Cibola Milkvetch

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

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Astragalus L. - milkvetch

Species

Astragalus albulus Wooton & Standl. - cibola milkvetch

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