North America Native Plant

Freckled Milkvetch

Botanical name: Astragalus lentiginosus var. stramineus

USDA symbol: ASLES6

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Freckled Milkvetch: A Charming Native Wildflower for Desert Gardens If you’re looking to add a touch of delicate beauty to your southwestern garden while supporting local ecosystems, freckled milkvetch (Astragalus lentiginosus var. stramineus) might just be the perfect addition. This charming native wildflower brings both visual appeal and ecological benefits ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Freckled Milkvetch: A Charming Native Wildflower for Desert Gardens

If you’re looking to add a touch of delicate beauty to your southwestern garden while supporting local ecosystems, freckled milkvetch (Astragalus lentiginosus var. stramineus) might just be the perfect addition. This charming native wildflower brings both visual appeal and ecological benefits to the right landscape setting.

What is Freckled Milkvetch?

Freckled milkvetch is a biennial native wildflower that calls the American Southwest home. As a member of the pea family, it produces lovely clusters of small purple to pink flowers that dance above silvery-green compound leaves. The plant gets its freckled common name from the distinctive spotted patterns often found on its flowers and seed pods.

Where Does It Grow Naturally?

This southwestern beauty is native to three states: Arizona, Nevada, and Utah. In the wild, you’ll find it growing in desert washes, rocky slopes, and sandy flats where it has adapted to thrive in challenging conditions that would defeat many other plants.

Why Consider Growing Freckled Milkvetch?

There are several compelling reasons to include this native plant in your landscape:

  • Pollinator magnet: The flowers attract native bees, butterflies, and other beneficial insects
  • Water-wise: Once established, it requires minimal irrigation
  • Unique beauty: The delicate flowers and silvery foliage add texture and color contrast
  • Native plant benefits: Supports local ecosystems and wildlife
  • Low maintenance: Perfect for busy gardeners who want beauty without fuss

Important Conservation Note

Before you rush to plant freckled milkvetch, there’s something important to know: this variety has a conservation status that suggests it may be uncommon in parts of its range. While this doesn’t mean you shouldn’t grow it, it does mean you should be extra careful about sourcing. Always purchase from reputable native plant nurseries that propagate their own stock rather than collecting from wild populations.

Perfect Garden Settings

Freckled milkvetch shines in:

  • Desert and xeriscape gardens
  • Rock gardens and gravel gardens
  • Native plant landscapes
  • Wildflower meadows (in appropriate climates)
  • Pollinator gardens

Growing Conditions

This desert native has specific preferences that mirror its natural habitat:

  • Sunlight: Full sun (6+ hours daily)
  • Soil: Well-draining sandy or rocky soil; avoid heavy clay
  • Water: Drought tolerant once established; overwatering can be fatal
  • Climate: USDA hardiness zones 5-9

Planting and Care Tips

Growing freckled milkvetch successfully is all about mimicking its natural desert conditions:

  • Timing: Plant in fall or early spring when temperatures are moderate
  • Soil preparation: Ensure excellent drainage; amend heavy soils with sand or gravel
  • Watering: Water sparingly during establishment, then rely mainly on natural rainfall
  • Fertilizing: Avoid fertilizers; these plants prefer lean soils
  • Maintenance: Minimal pruning needed; allow seed pods to develop for wildlife

Is Freckled Milkvetch Right for Your Garden?

This native wildflower is ideal for gardeners who:

  • Live in the southwestern United States
  • Want to create water-wise landscapes
  • Appreciate subtle, naturalistic beauty
  • Wish to support native pollinators
  • Prefer low-maintenance plants

However, it may not be the best choice if you have heavy clay soil, live in a humid climate, or prefer lush, tropical-style gardens.

The Bottom Line

Freckled milkvetch offers southwestern gardeners a wonderful opportunity to grow a beautiful, ecologically beneficial native plant. Just remember to source it responsibly and provide the well-draining, sunny conditions it craves. With proper care, this charming wildflower will reward you with delicate blooms and the satisfaction of supporting your local ecosystem.

Freckled 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 lentiginosus Douglas ex Hook. - freckled milkvetch

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