North America Native Plant

Eastern Poison Ivy

Botanical name: Toxicodendron radicans verrucosum

USDA symbol: TORAV

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Toxicodendron radicans (L.) Kuntze var. verrucosum (Scheele) F.A. Barkley (TORAV2)   

Eastern Poison Ivy: A Native Plant You Definitely Don’t Want in Your Garden Let’s talk about a native plant that perfectly illustrates why native doesn’t always mean gardener-friendly. Meet eastern poison ivy (Toxicodendron radicans verrucosum), a perennial plant that’s as unwelcome in most gardens as ants at a picnic. What ...

Eastern Poison Ivy: A Native Plant You Definitely Don’t Want in Your Garden

Let’s talk about a native plant that perfectly illustrates why native doesn’t always mean gardener-friendly. Meet eastern poison ivy (Toxicodendron radicans verrucosum), a perennial plant that’s as unwelcome in most gardens as ants at a picnic.

What Is Eastern Poison Ivy?

Eastern poison ivy is a native perennial forb found naturally in Missouri, Oklahoma, and Texas. While it may sound contradictory to call poison ivy a forb (since we typically think of poison ivy as a climbing vine), this particular variety exhibits herbaceous growth patterns without significant woody tissue above ground.

This plant is also known scientifically as Toxicodendron radicans (L.) Kuntze var. verrucosum (Scheele) F.A. Barkley, but let’s stick with the simpler names, shall we?

Why You Should Think Twice (Or Three Times) About Planting It

Here’s the thing about eastern poison ivy: it’s native, which means it has ecological value, but it’s also packed with urushiol, the same oil that makes its cousins so notorious for causing painful, itchy rashes. Even though this is a legitimate native species, there are compelling reasons to avoid intentionally adding it to your landscape:

  • Contact with the plant can cause severe allergic reactions in most people
  • The irritating oils can remain active on tools, clothing, and pet fur
  • It can spread beyond where you plant it
  • There are many other native alternatives that provide ecological benefits without the health risks

If It’s Already There: Management Tips

If you discover eastern poison ivy growing naturally on your property, you have a few options. Remember, as a native plant, it does provide some ecological benefits, so consider whether removal is truly necessary:

  • Leave it alone if it’s in a remote area where people won’t accidentally encounter it
  • Remove it carefully if it poses a risk to family members or frequent garden visitors
  • Always wear long sleeves, long pants, gloves, and eye protection when dealing with any poison ivy
  • Wash all tools and clothing in hot water immediately after contact

Better Native Alternatives

Instead of risking the rash, consider these native plants that offer similar ecological benefits without the hazardous side effects:

  • Native honeysuckles (Lonicera species) for wildlife food
  • Wild ginger (Asarum canadense) for groundcover
  • Native sedges (Carex species) for texture and habitat
  • Local wildflowers appropriate to your specific region

The Bottom Line

While eastern poison ivy is indeed a native plant with its place in natural ecosystems, it’s not a plant most gardeners should intentionally cultivate. Its toxic properties far outweigh any garden benefits for the typical homeowner. If you’re passionate about supporting native wildlife, there are numerous other native plants that can do the job without putting you at risk of an uncomfortable rash.

Remember: being native doesn’t automatically make a plant garden-worthy. Sometimes the best way to appreciate a native plant is from a respectful distance!

Eastern Poison Ivy

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

Sapindales

Family

Anacardiaceae R. Br. - Sumac family

Genus

Toxicodendron Mill. - poison oak

Species

Toxicodendron radicans (L.) Kuntze - eastern poison ivy

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