North America Native Plant

Moenkopi Milkvetch

Botanical name: Astragalus moencoppensis

USDA symbol: ASMO4

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Moenkopi Milkvetch: A Hidden Gem for Desert Gardens If you’re looking for a tough, beautiful native plant that can handle the harshest desert conditions while still putting on a lovely floral show, meet the Moenkopi milkvetch (Astragalus moencoppensis). This unsung hero of the Southwest might just be the perfect addition ...

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 ⚘

Moenkopi Milkvetch: A Hidden Gem for Desert Gardens

If you’re looking for a tough, beautiful native plant that can handle the harshest desert conditions while still putting on a lovely floral show, meet the Moenkopi milkvetch (Astragalus moencoppensis). This unsung hero of the Southwest might just be the perfect addition to your drought-tolerant landscape.

What Makes Moenkopi Milkvetch Special

Moenkopi milkvetch is a perennial that knows how to make the most of challenging conditions. This low-growing shrub typically stays under 1.5 feet tall and never exceeds 3 feet at maturity, making it perfect for gardeners who want native beauty without overwhelming their space. Its compact, mounded form creates an attractive presence in any desert garden setting.

Where It Calls Home

This lovely native plant is naturally found in Arizona and Utah, where it has adapted to thrive in some of the most challenging desert and semi-desert environments in the lower 48 states. Its natural resilience makes it an excellent choice for gardeners in similar climates who want to work with nature rather than against it.

A Important Note About Rarity

Before you rush out to find this plant, there’s something important to know: Moenkopi milkvetch has a conservation status of S3S4, indicating it may be somewhat uncommon in parts of its range. If you decide to add this beauty to your garden, please make sure to source your plants or seeds from reputable native plant nurseries that practice responsible collection methods. Never collect plants from the wild!

Why Your Garden (and Local Wildlife) Will Love It

The aesthetic appeal of Moenkopi milkvetch lies in its delicate beauty combined with desert toughness. In spring and early summer, clusters of small white to pale pink pea-like flowers create a charming display against the plant’s silvery-green compound leaves. These blooms aren’t just pretty to look at – they’re also magnets for native bees and other small pollinators, making your garden a valuable pit stop for local wildlife.

Perfect Garden Roles

This versatile native shines in several garden settings:

  • Xeriscaping and drought-tolerant landscapes
  • Rock gardens and desert-themed spaces
  • Native plant collections and wildlife gardens
  • Ground cover in areas where you want low-maintenance beauty

Growing Conditions That Make It Happy

Moenkopi milkvetch is wonderfully low-maintenance once you understand its preferences. This desert native thrives in USDA hardiness zones 5-9 and absolutely loves full sun exposure. The key to success is well-drained soil – think sandy or rocky conditions that drain quickly after rain or irrigation.

The most important thing to remember? Less is more when it comes to water. This plant has evolved to handle extreme drought conditions, so overwatering is actually more likely to harm it than help it.

Planting and Care Made Simple

Getting started with Moenkopi milkvetch is refreshingly straightforward:

  • Best planting time: Fall or early spring when temperatures are moderate
  • Watering: Water regularly the first season to help establishment, then back off significantly. Once established, this plant can survive on natural rainfall in most areas
  • Soil preparation: If your soil doesn’t drain well, consider planting in raised beds or areas with added sand and gravel
  • Maintenance: Minimal pruning needed – just remove any dead or damaged growth

The Bottom Line

Moenkopi milkvetch proves that native doesn’t mean boring. This hardy little shrub offers gardeners in the Southwest a chance to create beautiful, sustainable landscapes that support local wildlife while requiring minimal resources. Just remember to source responsibly and give it the well-drained conditions it craves. Your garden – and the local bees – will thank you for it!

Moenkopi 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 moencoppensis M.E. Jones - Moenkopi milkvetch

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