North America Non-native Plant

Chrozophora

Botanical name: Chrozophora

USDA symbol: CHROZ

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Chrozophora: An Uncommon Annual Forb in American Gardens If you’ve stumbled across the name chrozophora in your gardening research, you might be wondering what exactly this plant is and whether it belongs in your garden. Chrozophora is a somewhat mysterious genus that has quietly made its way into parts of ...

Chrozophora: An Uncommon Annual Forb in American Gardens

If you’ve stumbled across the name chrozophora in your gardening research, you might be wondering what exactly this plant is and whether it belongs in your garden. Chrozophora is a somewhat mysterious genus that has quietly made its way into parts of the American landscape, though it remains relatively unknown to most gardeners.

What is Chrozophora?

Chrozophora is an annual forb, which simply means it’s a soft-stemmed, herbaceous plant that completes its entire life cycle in one growing season. Unlike woody shrubs or trees, this plant lacks significant woody tissue and dies back completely each year, relying on seeds to continue the next generation.

As a member of the spurge family (Euphorbiaceae), chrozophora shares some characteristics with other well-known plants like poinsettias and castor beans, though it’s much less conspicuous than its flashier relatives.

Native Status and Distribution

Here’s where things get interesting: chrozophora isn’t actually native to North America. It’s an introduced species that has somehow managed to establish itself and reproduce without human assistance in parts of the United States. Currently, you can find naturalized populations in Alabama and Maryland, though it’s likely present in other areas that haven’t been thoroughly documented.

Should You Grow Chrozophora?

This is where we hit a bit of a roadblock. Unlike many popular garden plants, there’s surprisingly little information available about chrozophora’s ornamental value, growing requirements, or garden performance. This lack of information suggests it’s not commonly cultivated as a garden plant, despite its ability to naturalize in some areas.

What We Don’t Know

Unfortunately, many details about chrozophora remain unclear, including:

  • Specific growing conditions and soil preferences
  • USDA hardiness zones where it thrives
  • Benefits to pollinators or wildlife
  • Invasive potential or ecological impact
  • Aesthetic appeal and garden value
  • Propagation methods and care requirements

A Better Alternative: Choose Native Plants

Given the limited information available about chrozophora and its non-native status, you might want to consider native alternatives instead. Native annual forbs offer many advantages:

  • They support local ecosystems and wildlife
  • They’re adapted to local growing conditions
  • They require less maintenance once established
  • They contribute to biodiversity conservation

Consider exploring native annual wildflowers in your region that can provide the ecological benefits and garden interest you’re looking for. Your local native plant society or extension office can provide excellent recommendations for annual forbs that will thrive in your specific area.

The Bottom Line

While chrozophora has managed to establish itself in parts of North America, it remains something of an enigma in the gardening world. Without clear information about its benefits, requirements, or potential impacts, it’s difficult to recommend for home gardens. When in doubt, choosing well-researched native alternatives is usually the safer and more beneficial path for both your garden and the local ecosystem.

If you’re curious about unusual plants, focus that curiosity on the many fascinating native species that are waiting to be discovered in your own region. You’ll likely find plants that are not only better documented but also more rewarding to grow and beneficial to your local environment.

Chrozophora

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

Euphorbiales

Family

Euphorbiaceae Juss. - Spurge family

Genus

Chrozophora A. Juss. - chrozophora

Species

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