North America Non-native Plant

Astragalus Alopecurus

Botanical name: Astragalus alopecurus

USDA symbol: ASAL22

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

Astragalus alopecurus: A Mystery Plant Worth Investigating If you’ve stumbled upon the name Astragalus alopecurus in your plant research, you’re not alone in finding limited information about this particular species. This member of the vast Astragalus genus—commonly known as milkvetches or locoweeds—remains somewhat of an enigma in the gardening world. ...

Astragalus alopecurus: A Mystery Plant Worth Investigating

If you’ve stumbled upon the name Astragalus alopecurus in your plant research, you’re not alone in finding limited information about this particular species. This member of the vast Astragalus genus—commonly known as milkvetches or locoweeds—remains somewhat of an enigma in the gardening world.

What We Know About Astragalus alopecurus

Astragalus alopecurus belongs to the legume family and is classified as a dicot. Beyond this basic botanical classification, specific details about this plant’s characteristics, native range, and growing requirements are surprisingly scarce in mainstream horticultural literature.

The Challenge of Identification

The limited available information about Astragalus alopecurus raises some important questions for gardeners:

  • Is this a rare species with limited distribution?
  • Could this be a regional variant or synonym for another well-known Astragalus species?
  • Might this name refer to a subspecies or variety that’s often grouped under a different species name?

A Word of Caution for Gardeners

Given the uncertainty surrounding Astragalus alopecurus, we’d recommend exercising caution before adding it to your garden. Here’s why:

Without clear information about its native status, invasive potential, or rarity, it’s difficult to make responsible planting recommendations. Some members of the Astragalus genus can be aggressive spreaders, while others are rare and require special conservation consideration.

Better Alternatives for Your Native Garden

Instead of pursuing the mysterious Astragalus alopecurus, consider these well-documented native Astragalus species that might serve your garden better:

  • Research locally native Astragalus species in your region
  • Consult with local native plant societies or botanical gardens
  • Contact your state’s native plant database for verified species recommendations

What to Do If You Encounter This Plant

If you believe you’ve found Astragalus alopecurus growing wild or offered for sale, consider:

  • Taking detailed photos and consulting with local botanists or extension services for proper identification
  • Avoiding collection from the wild until proper identification and legal status are confirmed
  • Reporting any findings to local botanical databases or herbaria

The Bottom Line

While the mystery of Astragalus alopecurus might intrigue plant enthusiasts, responsible gardeners should focus on well-documented native species for their landscapes. The plant world is full of fascinating species with clear cultivation guidelines and known ecological benefits—perhaps it’s better to explore those proven options first!

Remember, successful native gardening relies on accurate plant identification and understanding each species’ role in local ecosystems. When in doubt, stick with plants that have clear documentation and local expert support.

Astragalus Alopecurus

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 alopecurus Pall.

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