Lesser Snapdragon Toxic?

Updated 2026-03-06| 4 min read| 1,213 found this helpful

Antirrhinum orontium

Lesser Snapdragon is confirmed non-toxic to cats, dogs, and horses per official ASPCA toxicology data

No harmful toxic compounds have been identified in this species for humans or common domestic animals

Accidental ingestion by pets, livestock, or humans is not expected to cause adverse health effects

FAQ

Is Lesser Snapdragon toxic to Humans?

No expected adverse symptoms from accidental ingestion; rare mild gastrointestinal upset may occur with excessive consumption (Non-toxic)

Is Lesser Snapdragon toxic to Cats?

No documented toxic symptoms from ingestion of this plant (Non-toxic)

Is Lesser Snapdragon toxic to Dogs?

No documented toxic symptoms from ingestion of this plant (Non-toxic)

Is Lesser Snapdragon toxic to Horses?

No documented toxic symptoms from ingestion of this plant (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No expected adverse symptoms from accidental ingestion; rare mild gastrointestinal upset may occur with excessive consumption

Cats

Non-toxic

No documented toxic symptoms from ingestion of this plant

Dogs

Non-toxic

No documented toxic symptoms from ingestion of this plant

Horses

Non-toxic

No documented toxic symptoms from ingestion of this plant

Toxicity Snapshot

Toxic PartsNo parts of this plant are known to be toxic to humans or common domestic animal species

Exposure RouteTypical exposure routes include ingestion and skin contact; no adverse effects are expected from either route for this non-toxic species

Toxic CompoundsNo toxic compounds identified in this species per ASPCA toxicology assessments

First Aid & Prevention

First 30 Minutes

• Rinse mouth with clean water to remove any residual plant debris post-ingestion
• Monitor for rare mild digestive discomfort for 1 to 2 hours after exposure
• Offer small amounts of fresh drinking water if the exposed individual desires it

Contact Vet Immediately

• If persistent vomiting, diarrhea, or lethargy develops after suspected plant ingestion
• If an extremely large quantity of plant material was consumed by young, elderly, or immunocompromised animals

Prevention

• No special prevention required for this non-toxic species, though keeping plants out of reach of teething pets is recommended
• Clearly label all garden plants to avoid misidentification with toxic lookalike species

Treatment & Prognosis

• No specific medical treatment is required for routine exposure to this species
• Provide supportive care such as fluids and rest if mild transient digestive symptoms occur

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Professional Toxicology

Scientific NameAntirrhinum orontium

AliasesCalf's Snout、Weasel's Snout、Lesser Snapdragon Weed

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No bodily organs are at risk of damage from exposure to this non-toxic plant species

Mechanism of Action

• No toxic mechanism identified, as the plant contains no known harmful compounds that cause adverse reactions in humans or common domestic animals

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cattle: No documented toxic effects, small quantity consumption during grazing is considered safe

Sheep: No documented adverse reactions reported from grazing on this plant species

Domestic Rabbits: No known toxicity, safe to consume in small amounts as part of a balanced diet

Confusion Risk

The following plants look similar and may be confused:

Common Snapdragon Antirrhinum majus

Visually similar due to shared characteristic snap-shaped flowers; Common Snapdragon is also non-toxic, but grows larger and is primarily grown as a cultivated ornamental rather than a wild weed

Yellow Toadflax Linaria vulgaris

Has similar elongated flower spikes and snap-like blooms; distinguished by its bright yellow orange-centered flowers, and is mildly toxic to livestock if consumed in large quantities

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Related Toxic Plants

Black Locust

Robinia pseudoacacia

Moderately toxic: can cause severe digestive upset, weakness, and neurological symptoms in all species

Mescal Bean

Sophora secundiflora

Highly toxic: contains cytisine which can trigger seizures, respiratory failure, and death if ingested

Silver Wattle

Acacia dealbata

Low to moderately toxic: can cause contact dermatitis in humans and digestive upset if ingested by animals

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Data Sources

1. ASPCA Animal Poison Control

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

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