North America Non-native Plant

Hedysarum Vicioides

Botanical name: Hedysarum vicioides

USDA symbol: HEVI11

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

Hedysarum vicioides: A Mysterious Member of the Sweetvetch Family If you’ve stumbled across the name Hedysarum vicioides in your plant research, you’re not alone in wondering what exactly this plant is all about. This particular species presents quite the gardening puzzle – it’s one of those botanical mysteries that even ...

Hedysarum vicioides: A Mysterious Member of the Sweetvetch Family

If you’ve stumbled across the name Hedysarum vicioides in your plant research, you’re not alone in wondering what exactly this plant is all about. This particular species presents quite the gardening puzzle – it’s one of those botanical mysteries that even seasoned plant enthusiasts scratch their heads over.

The Name Game: What We Know (And Don’t Know)

Hedysarum vicioides belongs to the legume family and is part of the Hedysarum genus, which includes plants commonly called sweetvetch. However, finding reliable information specifically about H. vicioides is like searching for a needle in a haystack. The species appears in some botanical databases but with frustratingly little detail about its characteristics, native range, or growing requirements.

Geographic Distribution: A Question Mark

Unfortunately, the specific geographic distribution of Hedysarum vicioides remains unclear from available sources. Without knowing where this plant naturally occurs, it’s impossible to determine its native status or appropriate growing zones.

Should You Grow Hedysarum vicioides?

Here’s where things get tricky for us gardeners. With so little verified information available about this specific species, it’s difficult to recommend it with confidence. We don’t know:

  • Its mature size or growth habit
  • Preferred growing conditions
  • Hardiness zones
  • Whether it’s invasive or beneficial to wildlife
  • Its native range or conservation status

A Better Alternative: Exploring Related Sweetvetch Species

Instead of taking a gamble on the mysterious H. vicioides, consider exploring other members of the Hedysarum genus that are better documented and readily available. Many sweetvetch species are excellent garden plants that:

  • Fix nitrogen in the soil (thanks to their legume family membership)
  • Attract pollinators with their colorful flower spikes
  • Provide wildlife habitat and food
  • Tolerate challenging growing conditions

The Bottom Line for Gardeners

While Hedysarum vicioides might sound intriguing, the lack of reliable growing information makes it a risky choice for home gardeners. Before adding any plant to your landscape, it’s important to understand its needs, behavior, and potential impact on your local ecosystem.

If you’re drawn to the idea of growing a sweetvetch species, research well-documented alternatives that match your growing conditions and garden goals. Your local extension office or native plant society can help you identify appropriate species for your area.

Sometimes in gardening, the most responsible choice is to say we need more information – and that’s exactly the case with Hedysarum vicioides. Stick with plants you can grow successfully and confidently, and leave the botanical mysteries to the researchers!

Hedysarum Vicioides

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

Hedysarum L. - sweetvetch

Species

Hedysarum vicioides Turcz.

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