North America Non-native Plant

Indigofera Dosua

Botanical name: Indigofera dosua

USDA symbol: INDO2

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

Indigofera dosua: The Mysterious Indigo Plant If you’ve stumbled across the name Indigofera dosua in your plant research, you’re probably wondering what exactly this mysterious member of the indigo family is all about. Well, you’re not alone! This particular species is something of an enigma in the gardening world, with ...

Indigofera dosua: The Mysterious Indigo Plant

If you’ve stumbled across the name Indigofera dosua in your plant research, you’re probably wondering what exactly this mysterious member of the indigo family is all about. Well, you’re not alone! This particular species is something of an enigma in the gardening world, with limited information available even to plant enthusiasts and professionals.

What We Know (And Don’t Know)

Indigofera dosua belongs to the large Indigofera genus, which includes over 750 species of flowering plants in the legume family. These plants are traditionally known for producing indigo dye, though not all species are suitable for this purpose. Unfortunately, when it comes to I. dosua specifically, reliable information is surprisingly scarce.

This lack of readily available information suggests that I. dosua is likely either a rare species, has limited distribution, or simply hasn’t been extensively studied or cultivated. Without clear data on its native range, we can’t definitively say where this plant naturally occurs, though many Indigofera species are native to Africa, Asia, and Australia.

The Challenge for Home Gardeners

Here’s where things get a bit tricky for gardening enthusiasts. When a plant species has limited available information, it presents several challenges:

  • Difficulty sourcing seeds or plants from reputable nurseries
  • Unknown growing requirements and care needs
  • Uncertain hardiness zones and climate tolerance
  • Unclear potential benefits or drawbacks in garden settings

Should You Try Growing It?

Given the limited information available about Indigofera dosua, we’d recommend proceeding with caution. If you’re interested in growing plants from the Indigofera genus, you might want to consider better-documented species that offer similar characteristics but with clearer growing guidelines.

If you do encounter I. dosua plants or seeds, make sure they come from reputable, ethical sources. Never collect plants from the wild, especially when dealing with species that may be rare or have uncertain conservation status.

Better-Known Alternatives

If you’re drawn to the idea of growing indigo plants, consider these better-documented alternatives:

  • Indigofera tinctoria (True Indigo) – historically significant for dye production
  • Indigofera suffruticosa (Anil Indigo) – another traditional dye plant
  • Native legumes in your area that provide similar ecological benefits

The Bottom Line

While Indigofera dosua might sound intriguing, the lack of reliable growing information makes it a challenging choice for most gardeners. Sometimes the most responsible approach is to appreciate that certain plants remain mysteries, at least for now. Focus your gardening energy on well-documented native plants that you know will thrive in your conditions and provide clear benefits to your local ecosystem.

If you’re a researcher or have reliable information about this species, the gardening community would certainly benefit from your knowledge! Until then, this particular indigo plant remains one of nature’s more elusive characters.

Indigofera Dosua

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 dosua Buch.-Ham. ex D. Don

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