Virginia Creeper Toxic?

Updated 2026-03-06| 2 min read| 3,061 found this helpful

All plant parts are toxic, with berries holding the highest concentration of oxalate compounds, up to 2.8% in unripe berries.

Ingestion causes oral irritation, salivation, vomiting, diarrhea, and potential breathing or swallowing difficulties from throat edema.

The species is severely toxic to birds, while toxicity for humans and common companion animals is classified as low.

FAQ

Is Virginia Creeper toxic to Humans?

Salivation, vomiting, diarrhea, difficulty breathing (pharyngeal edema), and difficulty swallowing (laryngeal edema) (Low)

Is Virginia Creeper toxic to Cats?

Limited clinical data available; expected symptoms include oral irritation, salivation, vomiting, and diarrhea if ingested (Low)

Is Virginia Creeper toxic to Dogs?

Limited clinical data available; expected symptoms include oral irritation, salivation, vomiting, and diarrhea if ingested (Low)

Is Virginia Creeper toxic to Horses?

Limited clinical data available; expected symptoms include oral irritation, salivation, vomiting, and diarrhea if ingested (Low)

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Toxicity Details

Humans

Low

Salivation, vomiting, diarrhea, difficulty breathing (pharyngeal edema), and difficulty swallowing (laryngeal edema)

Cats

Low

Limited clinical data available; expected symptoms include oral irritation, salivation, vomiting, and diarrhea if ingested

Dogs

Low

Limited clinical data available; expected symptoms include oral irritation, salivation, vomiting, and diarrhea if ingested

Horses

Low

Limited clinical data available; expected symptoms include oral irritation, salivation, vomiting, and diarrhea if ingested

Toxicity Snapshot

Toxic PartsAll plant parts, with the highest toxicity concentration in berries

Exposure RoutePrimary exposure route is ingestion of plant material, especially berries; direct skin contact with sap may cause mild irritation in sensitive individuals

Toxic CompoundsCalcium oxalate; Oxalic acid

First Aid & Prevention

First 30 Minutes

• If ingested, rinse the mouth thoroughly with clean water to remove residual plant material
• Administer small amounts of milk or oral mucosal protectant to soothe irritated throat and gastrointestinal lining
• Do not induce vomiting unless explicitly directed by a medical professional or veterinarian

Contact Vet Immediately

• Ingestion of large quantities of berries or plant material
• Presence of persistent vomiting, diarrhea, difficulty breathing, or inability to swallow after exposure
• Symptoms lasting longer than 2 hours after initial first aid administration

Prevention

• Keep plants out of reach of children, pets, and pet birds to avoid accidental ingestion
• Correctly identify the plant to avoid confusion with edible grape species
• Wear gloves when pruning to avoid contact with sap that may cause mild skin irritation

Treatment & Prognosis

• Perform decontamination via gastric lavage or activated charcoal administration for recent large ingestions
• Provide symptomatic care including mucosal protectants, pain relievers, and antihistamines as clinically indicated
• Monitor for airway obstruction from pharyngeal or laryngeal edema and provide supportive respiratory care if required

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Professional Toxicology

Scientific NameParthenocissus inserta (A.Kern.) Fritsch

AliasesWoodbine、Creepers、Japanese creeper、Boston Ivy、Parthenocissus vitacea (Knerr) Hitchc.、Parthenocissus dumetorum (Focke) Rehder、Parthenocissus inserens Hayek、Parthenocissus quinquefolia (S. European regional variant)

Toxicity Grade

HumansLow

CatsLow

DogsLow

HorsesLow

Target Organs

Oral mucosaPharynxLarynxGastrointestinal tractRespiratory tract

Mechanism of Action

• Calcium oxalate and oxalic acid crystals cause direct irritation and inflammation of mucosal membranes in the mouth, throat, and gastrointestinal tract

• Inflammation leads to edema of the pharynx and larynx, which may cause breathing and swallowing difficulties

• High oxalate concentrations cause severe systemic toxicity and organ damage in sensitive bird species

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Birds: Severe toxicity, ingestion of even small amounts of plant material or berries can be fatal due to very high oxalate sensitivity

Confusion Risk

The following plants look similar and may be confused:

Common Grapevine Vitis vinifera

Visually similar due to overlapping palmate leaf shape; common grapevine produces edible grapes (highly toxic to dogs) while Virginia creeper berries are toxic to humans and birds; Virginia creeper typically has 5 distinct leaflets per leaf, while grapevines have 3-5 lobed leaves

Other Parthenocissus species Parthenocissus spp.

Closely related species have nearly identical foliage and climbing growth habit; toxicity levels vary slightly between species, but all contain oxalate compounds that cause irritation on ingestion

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Related Toxic Plants

Boston Ivy

Parthenocissus tricuspidata

Low toxicity, causes oral and gastrointestinal irritation on ingestion

Common Grapevine

Vitis vinifera

High toxicity to dogs, ingestion of grapes/raisins can cause irreversible kidney failure

Grape Ivy

Cissus rhombifolia

Low toxicity, causes oral irritation, vomiting, and diarrhea if ingested by humans or pets

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Data Sources

1. CliniTox (Universität Zürich)

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.