North America Non-native Plant

Indigofera Flavicans

Botanical name: Indigofera flavicans

USDA symbol: INFL2

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

The Mystery of Indigofera flavicans: A Lesser-Known Member of the Indigo Family If you’ve stumbled upon the name Indigofera flavicans in your gardening research, you’re likely scratching your head wondering what exactly this plant is all about. Don’t worry – you’re not alone! This particular species is something of an ...

The Mystery of Indigofera flavicans: A Lesser-Known Member of the Indigo Family

If you’ve stumbled upon the name Indigofera flavicans in your gardening research, you’re likely scratching your head wondering what exactly this plant is all about. Don’t worry – you’re not alone! This particular species is something of an enigma in the gardening world, with surprisingly little information available about its characteristics and cultivation.

What We Know (And Don’t Know) About Indigofera flavicans

Indigofera flavicans belongs to the large genus Indigofera, which is part of the legume family and contains several hundred species worldwide. Many plants in this genus are known for their historical importance in dye production and their ability to fix nitrogen in the soil. However, when it comes to this specific species, the details become frustratingly sparse.

Unfortunately, we don’t have reliable information about:

  • Common names for this species
  • Its native geographic range
  • Growth habits and mature size
  • Preferred growing conditions
  • USDA hardiness zones
  • Wildlife or pollinator benefits

Geographic Distribution and Native Status

The geographic distribution and native status of Indigofera flavicans remain unclear based on available documentation. This lack of information makes it difficult to determine where this plant naturally occurs or whether it might be suitable for native plant gardens in any particular region.

Should You Grow Indigofera flavicans?

Here’s where things get tricky. Without solid information about this plant’s characteristics, growing requirements, or potential impacts, it’s challenging to make a recommendation either way. If you’re considering adding Indigofera flavicans to your garden, you might want to ask yourself a few questions first:

  • Where did you encounter this plant name?
  • Are you certain about the species identification?
  • Do you have access to seeds or plants from a reputable source?

Better-Known Alternatives

If you’re drawn to the Indigofera genus, you might consider these better-documented alternatives:

  • Indigofera tinctoria (True Indigo) – historically important for blue dye production
  • Indigofera australis (Austral Indigo) – native to Australia with attractive pink flowers
  • Indigofera decora (Chinese Indigo) – ornamental shrub with rose-pink blooms

These species have more established growing information and known benefits, making them safer bets for your garden.

The Bottom Line

Indigofera flavicans remains something of a botanical mystery. While the lack of information doesn’t necessarily mean it’s a problematic plant, it does make it difficult to recommend for home gardeners. If you’re passionate about exploring lesser-known species, proceed with caution and consider consulting with botanical experts or native plant societies who might have more specialized knowledge.

Sometimes the most responsible approach to gardening is knowing when we don’t know enough – and Indigofera flavicans appears to be one of those cases where patience and further research are the wisest paths forward.

Indigofera Flavicans

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

Indigofera L. - indigo

Species

Indigofera flavicans Baker

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