North America Non-native Plant

Medicago Shepardii

Botanical name: Medicago shepardii

USDA symbol: MESH3

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

Synonyms: Medicago tornata (L.) Mill. var. shepardii (Post ex Boiss.) Heyn (METOS)   

Medicago shepardii: The Mysterious Medick If you’ve stumbled across the name Medicago shepardii in your plant research, you’re not alone in wondering what exactly this plant is all about. This member of the legume family (Fabaceae) is one of those botanical mysteries that keeps plant enthusiasts scratching their heads – ...

Medicago shepardii: The Mysterious Medick

If you’ve stumbled across the name Medicago shepardii in your plant research, you’re not alone in wondering what exactly this plant is all about. This member of the legume family (Fabaceae) is one of those botanical mysteries that keeps plant enthusiasts scratching their heads – and for good reason.

What We Know (And Don’t Know) About This Plant

Medicago shepardii belongs to the medick genus, which includes well-known plants like alfalfa. However, this particular species is somewhat of an enigma in the gardening world. The plant is sometimes listed under the synonym Medicago tornata var. shepardii, but beyond its botanical classification, reliable information about this species is surprisingly scarce.

Unfortunately, we don’t have clear information about where this plant naturally occurs, what it looks like, or how it behaves in garden settings.

The Challenge for Gardeners

Here’s where things get tricky for anyone interested in growing Medicago shepardii. Without solid information about its:

  • Native range and habitat preferences
  • Growth characteristics and appearance
  • Care requirements
  • Potential invasive tendencies
  • Benefits to pollinators and wildlife

It’s nearly impossible to make informed decisions about whether this plant belongs in your garden.

A Word of Caution

When dealing with plants that have limited documentation, especially those in the Medicago genus (which includes some species with weedy tendencies), it’s wise to proceed with caution. Some medicks can be aggressive spreaders, while others are valuable forage plants. Without knowing which category M. shepardii falls into, planting it could be a gamble.

Better Alternatives to Consider

If you’re drawn to the idea of growing a medick or similar legume in your garden, consider these better-documented alternatives:

  • Native clovers in your region, which provide excellent pollinator resources
  • Wild lupines for dramatic spikes of flowers and nitrogen fixation
  • Native vetch species for ground cover and wildlife benefits
  • Regional wildflower mixes that include native legumes

The Bottom Line

While Medicago shepardii might sound intriguing, the lack of reliable growing information makes it a risky choice for most gardeners. Instead of gambling with an unknown quantity, focus your efforts on well-documented native plants that will reliably provide beauty, ecological benefits, and predictable growing characteristics.

Sometimes in gardening, the most mysterious plants are mysterious for a reason – and in this case, that reason might be that they’re simply not worth the trouble when so many fantastic, well-understood alternatives exist.

Medicago Shepardii

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

Medicago L. - alfalfa

Species

Medicago shepardii Post ex Boiss.

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