North America Native Plant

Vernonia ×guadalupensis

Botanical name: Vernonia ×guadalupensis

USDA symbol: VEGU

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Vernonia ×guadalupensis: A Rare Texas Native Worth Knowing About If you’re a native plant enthusiast always on the lookout for something a little different, Vernonia ×guadalupensis might just pique your interest. This perennial wildflower is one of those plants that flies under the radar – partly because it’s a natural ...

Vernonia ×guadalupensis: A Rare Texas Native Worth Knowing About

If you’re a native plant enthusiast always on the lookout for something a little different, Vernonia ×guadalupensis might just pique your interest. This perennial wildflower is one of those plants that flies under the radar – partly because it’s a natural hybrid, and partly because it calls only Texas home. While you won’t find this beauty gracing garden centers nationwide, it represents an intriguing piece of the Lone Star State’s botanical puzzle.

What Makes This Plant Special

Vernonia ×guadalupensis belongs to the ironweed family, and that little × symbol in its name tells us something important – this is a hybrid species that formed naturally in the wild. As a native Texas perennial, it’s perfectly adapted to local growing conditions, though specific details about this particular hybrid remain somewhat mysterious in botanical literature.

This plant grows as what botanists call a forb – essentially a fancy way of saying it’s an herbaceous wildflower without woody stems. Unlike shrubs or trees, forbs like this Vernonia die back to the ground each winter and return fresh each spring from their root systems.

Where You’ll Find It Growing Wild

Currently, Vernonia ×guadalupensis is documented only in Texas, making it a true regional specialty. This limited distribution likely reflects both its hybrid nature and specific habitat requirements that exist within the state’s diverse ecosystems.

Should You Grow Vernonia ×guadalupensis?

Here’s where things get a bit tricky. While this native Texas perennial would theoretically make a wonderful addition to wildflower gardens and native landscapes, finding reliable information about its specific growing requirements proves challenging. The limited research available on this particular hybrid means that even experienced gardeners would be venturing into somewhat uncharted territory.

However, if you’re the adventurous type who enjoys growing unusual natives, this could be an exciting project. Being a Texas native, it’s naturally adapted to handle the state’s sometimes challenging climate conditions.

Growing Conditions and Care

Since specific growing information for Vernonia ×guadalupensis is scarce, we can make educated guesses based on its parent species and Texas native status:

  • Likely prefers full sun to partial shade
  • Probably tolerates a range of soil types
  • Should be drought-tolerant once established
  • May perform well in wildflower meadows and naturalized areas

The Reality Check

Let’s be honest – you’re probably not going to find Vernonia ×guadalupensis at your local nursery anytime soon. The limited information available about this hybrid makes it more of a botanical curiosity than a mainstream garden plant. If you’re interested in growing ironweeds in your Texas garden, you might have better luck with other well-documented Vernonia species native to the state.

Alternative Options

If you’re drawn to the idea of growing native ironweeds, consider looking into other Texas Vernonia species like:

  • Vernonia baldwinii (Baldwin’s ironweed)
  • Vernonia texana (Texas ironweed)
  • Vernonia lindheimeri (Lindheimer’s ironweed)

These species have more established cultivation information and are more likely to be available from native plant sources.

The Bottom Line

Vernonia ×guadalupensis represents one of those fascinating plants that remind us how much we still don’t know about our native flora. While it might not be the easiest plant to grow or find, it serves as a reminder of the incredible diversity that exists in Texas’s natural landscapes. For most gardeners, focusing on better-documented native Vernonia species will provide more reliable results and still support local ecosystems beautifully.

Sometimes the most interesting plants are the ones that keep a little mystery about themselves – and Vernonia ×guadalupensis certainly fits that description.

Vernonia ×guadalupensis

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Vernonia Schreb. - ironweed

Species

Vernonia ×guadalupensis A. Heller (pro sp.) [baldwinii × lindheimeri]

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