North America Non-native Plant

Astragalus Alopecuroides

Botanical name: Astragalus alopecuroides

USDA symbol: ASAL21

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

Synonyms: Astragalus narbonensis Gouan (ASNA8)   

Astragalus alopecuroides: The Mystery Milkvetch Worth Knowing About Ever stumbled across a plant name that sounds like it belongs in a fantasy novel? Meet Astragalus alopecuroides, a member of the legume family that’s more mysterious than your average garden variety flower. While this plant might not be sitting pretty on ...

Astragalus alopecuroides: The Mystery Milkvetch Worth Knowing About

Ever stumbled across a plant name that sounds like it belongs in a fantasy novel? Meet Astragalus alopecuroides, a member of the legume family that’s more mysterious than your average garden variety flower. While this plant might not be sitting pretty on nursery shelves, it’s worth understanding what makes it tick – or in this case, what we wish we knew about what makes it tick!

What’s in a Name?

Astragalus alopecuroides goes by its scientific name because, frankly, that’s about all we’ve got to work with. Sometimes known by the synonym Astragalus narbonensis Gouan, this plant keeps its common name as much of a secret as a magician’s best trick. The genus Astragalus includes what we commonly call milkvetches – a diverse group of legumes found worldwide.

Geographic Distribution and Native Status

Here’s where things get a bit fuzzy – like trying to read a map through morning fog. The native range and specific distribution of Astragalus alopecuroides isn’t well-documented in readily available horticultural sources. This lack of clear information suggests it’s either quite rare, geographically limited, or simply hasn’t caught the attention of garden enthusiasts and researchers.

The Growing Question Mark

If you’re hoping for a detailed growing guide, you might need to channel your inner plant detective. Information about this species’ preferred growing conditions, hardiness zones, and cultivation requirements is surprisingly scarce. This could mean several things:

  • It’s not commonly cultivated in gardens
  • It has very specific habitat requirements that make it challenging to grow
  • It simply hasn’t been studied extensively from a horticultural perspective

Should You Grow It?

Here’s the honest truth: with such limited information available about Astragalus alopecuroides, it’s hard to recommend it as your next garden addition. Without knowing its invasive potential, growing requirements, or even basic characteristics like size and appearance, you’d essentially be gardening in the dark.

Instead, consider exploring better-documented native milkvetches in your area. Many Astragalus species offer lovely flowers, interesting seed pods, and benefits to pollinators – all while being much easier to research and grow successfully.

The Bottom Line

Astragalus alopecuroides remains something of an enigma in the gardening world. While it may have ecological importance in its native habitat, the lack of available growing information makes it more of a curiosity than a practical garden choice.

If you’re drawn to the Astragalus genus (and who wouldn’t be, with a name that sounds like ancient magic?), focus your energy on well-documented native species in your region. Your local native plant society or extension office can help you identify milkvetches that will thrive in your garden while supporting local ecosystems.

Sometimes the most fascinating plants are the ones that keep us guessing – but for your garden’s sake, it’s usually better to choose the ones that come with an instruction manual!

Astragalus Alopecuroides

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 alopecuroides L.

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