North America Non-native Plant

Astragalus Fraxinifolius

Botanical name: Astragalus fraxinifolius

USDA symbol: ASFR10

Native status: Not native but doesn't reproduce and persist in the wild

Astragalus fraxinifolius: A Mysterious Member of the Milkvetch Family If you’ve stumbled across the name Astragalus fraxinifolius in your native plant research, you might be scratching your head wondering why there’s so little information available about this particular species. You’re not alone! This botanical name represents one of those intriguing ...

Astragalus fraxinifolius: A Mysterious Member of the Milkvetch Family

If you’ve stumbled across the name Astragalus fraxinifolius in your native plant research, you might be scratching your head wondering why there’s so little information available about this particular species. You’re not alone! This botanical name represents one of those intriguing mysteries in the plant world where documentation is scarce and details are hard to come by.

What We Know (And Don’t Know)

Astragalus fraxinifolius belongs to the genus Astragalus, which is part of the legume family and commonly known as milkvetches. These plants are typically characterized by their compound leaves, pea-like flowers, and ability to fix nitrogen in the soil. However, finding specific information about this particular species proves challenging, as it doesn’t appear in most major botanical databases or field guides.

This lack of readily available information could mean several things:

  • It may be an extremely rare or localized species
  • The name might be outdated or not currently recognized in modern botanical classification
  • It could be a regional or colloquial name that hasn’t been widely adopted

The Challenge for Gardeners

For native plant enthusiasts, this presents a unique dilemma. Without clear information about its native range, growing requirements, or ecological benefits, it’s difficult to make informed decisions about whether to include this plant in your garden. The absence of data about its invasive status, rarity, or specific growing conditions means we can’t provide the usual guidance about cultivation and care.

What Should You Do?

If you’re interested in this particular species, here are some steps you can take:

  • Consult with local botanists or native plant societies who might have regional knowledge
  • Check with botanical gardens or herbaria in your area
  • Consider well-documented Astragalus species that are known to be native to your region instead
  • Contact your local extension office for guidance on native legumes suitable for your area

Alternative Native Milkvetches

Rather than pursuing a plant with uncertain status and requirements, consider exploring other members of the Astragalus genus that are well-documented and available through reputable native plant sources. Many milkvetches offer excellent benefits for pollinators, help improve soil through nitrogen fixation, and provide important habitat for wildlife.

Before adding any plant to your garden, especially one with limited documentation, it’s always best to work with established native plant nurseries and conservation organizations who can guide you toward species that will thrive in your specific location while supporting local ecosystems.

The Bottom Line

While the mystery surrounding Astragalus fraxinifolius is intriguing, the lack of available information makes it difficult to recommend for home gardeners. Your native landscape will benefit more from choosing well-researched, locally appropriate native species that you can grow with confidence, knowing their requirements and ecological benefits.

Astragalus Fraxinifolius

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 fraxinifolius DC.

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