North America Non-native Plant

Caragana Decorticans

Botanical name: Caragana decorticans

USDA symbol: CADE30

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

Caragana decorticans: The Elusive Pea Shrub If you’ve stumbled across the name Caragana decorticans in your gardening research, you might find yourself scratching your head – and for good reason! This particular species name appears to be something of a botanical mystery. What We Know About the Name Caragana decorticans ...

Caragana decorticans: The Elusive Pea Shrub

If you’ve stumbled across the name Caragana decorticans in your gardening research, you might find yourself scratching your head – and for good reason! This particular species name appears to be something of a botanical mystery.

What We Know About the Name

Caragana decorticans belongs to the genus Caragana, which is part of the pea family (Fabaceae). The genus name Caragana comes from the Mongolian word for these plants, while decorticans likely refers to bark characteristics – decorticare means to strip bark in Latin.

The Mystery Deepens

Here’s where things get interesting (and a bit puzzling): despite extensive searching through botanical databases and horticultural resources, reliable information specifically about Caragana decorticans is remarkably scarce. This raises some important questions:

  • Is this a valid species name that’s simply very rare in cultivation?
  • Could it be a synonym for another Caragana species?
  • Might it be a regional or colloquial name that hasn’t been widely documented?

What This Means for Gardeners

If you’re considering adding Caragana decorticans to your garden, proceed with caution and plenty of research. Without clear information about its native status, growing requirements, or potential invasiveness, it’s difficult to make informed planting decisions.

Instead, you might want to consider well-documented Caragana species that are readily available and thoroughly understood by the gardening community.

Alternative Caragana Options

If you’re drawn to the Caragana genus, there are several well-established species to explore:

  • Siberian Pea Shrub (Caragana arborescens) – hardy and drought-tolerant
  • Russian Pea Shrub (Caragana frutex) – compact growth habit
  • Pygmy Pea Shrub (Caragana pygmaea) – perfect for rock gardens

Before You Plant

If you do encounter Caragana decorticans for sale or trade, ask detailed questions:

  • What is the exact botanical identification?
  • Where does the plant material originate?
  • Are there any documented growing requirements?
  • Has the plant’s behavior in cultivation been observed?

The Bottom Line

Caragana decorticans remains an enigma in the plant world. While the name exists in some references, the lack of comprehensive information makes it a risky choice for most gardeners. When in doubt, stick with well-documented native plants or thoroughly researched non-native species that won’t surprise you with unexpected behavior in your garden.

Sometimes the most responsible gardening choice is to wait for better information – and in the case of Caragana decorticans, that patience might just save you from a botanical wild goose chase!

Caragana Decorticans

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

Caragana Fabr. - peashrub

Species

Caragana decorticans Hemsl.

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