Lesser balloon vine Toxic?

Updated 2026-03-06| 5 min read| 4,326 found this helpful

No published animal poisoning cases for this Cardiospermum species exist in available scientific literature

The plant is explicitly unsuitable and not recommended for use as pet or livestock feed

It can be easily confused with visually similar lookalike plants, some of which are toxic to humans and animals

FAQ

Is Lesser balloon vine toxic to Humans?

No confirmed poisoning symptoms reported in humans. If ingested, monitor for gastrointestinal upset and contact a healthcare provider if symptoms develop. (Non-toxic)

Is Lesser balloon vine toxic to Cats?

No confirmed poisoning cases or associated symptoms reported for cats. Monitor for unusual behavior after any plant ingestion, and contact a vet if concerns arise. (Non-toxic)

Is Lesser balloon vine toxic to Dogs?

No confirmed poisoning cases or associated symptoms reported for dogs. Monitor for vomiting, diarrhea, or lethargy after ingestion, and consult a vet if needed. (Non-toxic)

Is Lesser balloon vine toxic to Horses?

No confirmed poisoning cases reported for horses, but the plant is not suitable for feed. Contact a vet if large quantities are ingested and unusual symptoms appear. (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No confirmed poisoning symptoms reported in humans. If ingested, monitor for gastrointestinal upset and contact a healthcare provider if symptoms develop.

Cats

Non-toxic

No confirmed poisoning cases or associated symptoms reported for cats. Monitor for unusual behavior after any plant ingestion, and contact a vet if concerns arise.

Dogs

Non-toxic

No confirmed poisoning cases or associated symptoms reported for dogs. Monitor for vomiting, diarrhea, or lethargy after ingestion, and consult a vet if needed.

Horses

Non-toxic

No confirmed poisoning cases reported for horses, but the plant is not suitable for feed. Contact a vet if large quantities are ingested and unusual symptoms appear.

Toxicity Snapshot

Toxic PartsNo specific toxic plant parts have been identified, as no confirmed animal poisoning cases have been documented in scientific literature. All parts are unsuitable for use as animal feed.

Exposure RoutePrimary exposure route is accidental ingestion by humans or animals. No adverse skin contact effects are reported.

Toxic CompoundsNo toxic phytochemicals specific to this species have been formally identified in published research

First Aid & Prevention

First 30 Minutes

• Rinse the mouth of the exposed person/animal thoroughly with clean water to remove remaining plant material
• Collect any leftover plant material for formal identification if symptoms later develop
• Monitor closely for 24 hours for any signs of gastrointestinal discomfort or unusual behavior

Contact Vet Immediately

• If the animal develops vomiting, diarrhea, lethargy, or loss of appetite after ingesting the plant
• If you cannot confirm the plant is Cardiospermum and suspect it may be a toxic lookalike species
• If the animal ingested a large volume of plant material, even if no symptoms are immediately visible

Prevention

• Avoid planting this species in areas accessible to grazing livestock, pets, or unsupervised young children
• Learn to distinguish this species from its toxic lookalikes to prevent accidental ingestion of harmful plants
• Never feed any part of this plant to pets, livestock, or other domestic animals as feed

Treatment & Prognosis

• Supportive care, including fluid therapy and management of gastrointestinal symptoms, is recommended for any individuals showing adverse effects after ingestion

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Professional Toxicology

Scientific NameCardiospermum halicacabum L.; Cardiospermum corindum L.

AliasesBalloon plant、Love in a puff、Heart seed、Wonder pea、Heart pea

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No specific target organs for toxicity have been identified in available scientific literature

Mechanism of Action

• No toxic mechanism of action has been characterized for this species, as no confirmed poisoning events have been documented

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Grazing livestock (cattle, sheep, goats, pigs): No confirmed poisoning cases reported, but the plant is explicitly not recommended for use as any part of their feed

Small companion mammals (rabbits, guinea pigs, hamsters): No formal toxicity data available; feeding this plant is not advised as safety has not been verified

Birds: No toxicity data available; avoid feeding any part of the plant to caged or wild birds as a precaution

Confusion Risk

The following plants look similar and may be confused:

Apple of Peru Nicandra physalodes

Visually similar inflated, balloon-like fruiting structures. This lookalike is toxic to humans and animals, and can be distinguished by its lack of the characteristic heart-shaped seeds of Cardiospermum.

Chinese lantern Physalis alkekengi

Similar papery, balloon-shaped fruit casings. Unlike Cardiospermum, fully ripe orange berries of this species are edible, while unripe berries are toxic.

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Related Toxic Plants

Ohio buckeye

Aesculus glabra

Moderately toxic to humans, dogs, horses, and all grazing livestock

Golden rain tree

Koelreuteria paniculata

Low to moderately toxic, with highest risk from ingestion of its seeds and fruit

Western soapberry

Sapindus saponaria

Moderately toxic, causes severe gastrointestinal irritation if ingested by humans or animals

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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.