Corn mint Toxic?

Updated 2026-03-06| 4 min read| 904 found this helpful

No published records of animal poisoning incidents linked to Mentha arvensis consumption exist to date

Despite no confirmed poisoning cases, this plant is not suitable for use as feed for any animal species

Corn mint can be easily confused with multiple other non-toxic species in the Lamiaceae family

FAQ

Is Corn mint toxic to Humans?

No confirmed toxicity symptoms in humans documented in available literature (Non-toxic)

Is Corn mint toxic to Cats?

No confirmed cat poisoning symptoms documented in available literature (Non-toxic)

Is Corn mint toxic to Dogs?

No confirmed dog poisoning symptoms documented in available literature (Non-toxic)

Is Corn mint toxic to Horses?

No confirmed horse poisoning symptoms documented in available literature (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No confirmed toxicity symptoms in humans documented in available literature

Cats

Non-toxic

No confirmed cat poisoning symptoms documented in available literature

Dogs

Non-toxic

No confirmed dog poisoning symptoms documented in available literature

Horses

Non-toxic

No confirmed horse poisoning symptoms documented in available literature

Toxicity Snapshot

Toxic PartsNo specific toxic plant parts have been identified; no animal poisoning cases are documented, but the whole plant is unsuitable for use as feed

Exposure RouteIngestion is the primary expected exposure route for both companion animals and livestock

Toxic CompoundsNo specific toxic compounds associated with this plant have been formally documented in available toxicology literature

First Aid & Prevention

First 30 Minutes

• If an animal ingests large quantities of corn mint, immediately remove remaining plant material from their access and mouth
• Monitor the animal for unusual signs including gastrointestinal upset for at least 2 hours post-ingestion
• Record the quantity of plant consumed and time of ingestion to share with a veterinarian if needed

Contact Vet Immediately

• If the animal displays persistent vomiting, diarrhea, lethargy, or appetite loss after ingestion
• If a small companion animal ingests an extremely large quantity of the plant
• If you are uncertain if the ingested plant is corn mint or a more toxic related species

Prevention

• Do not intentionally feed corn mint to any companion animals or livestock
• Label all mint species grown in pet or livestock-accessible areas to avoid misidentification
• Remove large stands of corn mint from livestock pastures to prevent unintended consumption

Treatment & Prognosis

• Provide supportive care as the primary treatment for accidental ingestion, including fluid therapy if gastrointestinal upset occurs
• Administer gastrointestinal protectants if the animal displays vomiting or diarrhea symptoms
• Rule out ingestion of more toxic lookalike species as part of diagnostic assessment

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Professional Toxicology

Scientific NameMentha arvensis L.

AliasesField mint、Wild mint、Acker-Minze (German)、Menthe des champs (French)、Menta campestre (Italian)

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No specific target organs have been linked to consumption of this plant

Mechanism of Action

• No specific toxic mechanism has been identified for this plant as no poisoning cases have been confirmed in published literature

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cattle, sheep, and goats: No confirmed poisoning cases reported, but the plant is not recommended as a component of livestock feed

Small companion mammals (rabbits, guinea pigs, hamsters): No formal toxicity data available; avoid intentional feeding as a precautionary measure

Confusion Risk

The following plants look similar and may be confused:

Other mint species Mentha spp.

Visually similar due to shared square stems and minty scent; toxicity levels vary significantly between different Mentha species

Lemon balm Melissa officinalis

Similar leaf shape and growth habit; lemon balm has a distinct lemon scent when crushed, unlike the minty scent of corn mint, and is non-toxic

White dead-nettle Lamium album

Similar serrated leaf shape and square Lamiaceae family stem; produces characteristic white hooded flowers unlike the pale purple/white flowers of corn mint, and is non-toxic

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Related Toxic Plants

European pennyroyal

Mentha pulegium

Highly toxic to dogs, cats, and horses, can cause fatal liver failure if ingested

Perilla mint

Perilla frutescens

Moderate to high toxicity for all livestock and companion animals, can cause respiratory failure and organ damage

Wall germander

Teucrium chamaedrys

Moderate toxicity for humans and livestock, causes irreversible liver damage with chronic consumption

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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.