North America Non-native Plant

Astragalus Coodei

Botanical name: Astragalus coodei

USDA symbol: ASCO51

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

Astragalus coodei: The Mystery Plant That’s Hard to Pin Down If you’ve stumbled across the name Astragalus coodei in your plant research adventures, you’re not alone in scratching your head. This particular member of the pea family (Fabaceae) is something of an enigma in the gardening world, with very little ...

Astragalus coodei: The Mystery Plant That’s Hard to Pin Down

If you’ve stumbled across the name Astragalus coodei in your plant research adventures, you’re not alone in scratching your head. This particular member of the pea family (Fabaceae) is something of an enigma in the gardening world, with very little information readily available about its characteristics, growing requirements, or even its exact native range.

What We Know (And What We Don’t)

Astragalus coodei belongs to the large genus Astragalus, commonly known as milkvetches or locoweeds. This genus contains hundreds of species, many of which are native to various regions of North America. However, when it comes to A. coodei specifically, reliable information is surprisingly scarce.

The lack of common names, cultivation guides, and detailed habitat information suggests this may be either an extremely rare species, a recently described species, or one with very limited distribution. Without clear data on its native status, geographical range, or conservation status, it’s difficult to provide definitive growing advice.

The Challenge for Home Gardeners

Here’s the thing about mysterious plants like Astragalus coodei: the absence of cultivation information isn’t just inconvenient—it’s a red flag for home gardeners. When a plant species lacks:

  • Clear native range information
  • Established growing requirements
  • Known hardiness zones
  • Documented wildlife benefits
  • Availability through reputable nurseries

It usually means the plant either isn’t suitable for typical garden settings or may have conservation concerns that make cultivation inadvisable.

A Word of Caution

Many Astragalus species have complex ecological relationships and specific habitat requirements that are difficult to replicate in garden settings. Some are also rare or sensitive species that shouldn’t be disturbed or cultivated without proper permits and expertise.

Given the complete lack of available information about Astragalus coodei’s rarity status, invasive potential, or growing requirements, we strongly recommend avoiding attempts to locate or cultivate this species.

Better Alternatives for Your Native Garden

Instead of pursuing the elusive A. coodei, consider these well-documented native Astragalus species that are more suitable for cultivation:

  • Purple Prairie Clover (Dalea purpurea) – A related legume with excellent pollinator value
  • Wild Bergamot (Monarda fistulosa) – Native wildflower with similar ecological benefits
  • Local native wildflowers – Contact your regional native plant society for species recommendations specific to your area

The Bottom Line

While the mystery surrounding Astragalus coodei might spark curiosity, the responsible approach for home gardeners is to focus on well-documented native species with established cultivation practices. Not only will you have better success growing these plants, but you’ll also be supporting local ecosystems with species that are known to provide genuine wildlife and pollinator benefits.

If you’re interested in rare or unusual native plants, work with reputable native plant nurseries and conservation organizations who can guide you toward species that are both appropriate for cultivation and beneficial for your local ecosystem.

Astragalus Coodei

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 coodei D.F. Chamb. & V.A. Matthews

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