Scented Geranium Toxic?

Updated 2026-03-06| 5 min read| 1,186 found this helpful

Pelargonium sp.

Scented Geranium is confirmed toxic to cats and dogs, while its toxicity to horses is currently unconfirmed

Essential oils are the primary toxic compounds present in this plant

Cats are the most sensitive species to Scented Geranium exposure, with more severe symptoms possible at higher doses

FAQ

Is Scented Geranium toxic to Humans?

No official human toxicity data is documented; incidental contact may cause mild skin irritation, and large ingestion may lead to minor GI upset (Low)

Is Scented Geranium toxic to Cats?

Primarily gastrointestinal upset; higher exposures may cause ataxia, muscle weakness, depression, or hypothermia as cats are the most sensitive species (Moderate)

Is Scented Geranium toxic to Dogs?

Primarily gastrointestinal upset; larger exposures may lead to ataxia, muscle weakness, depression, or hypothermia (Low)

Is Scented Geranium toxic to Horses?

Toxicity is unknown, no confirmed clinical symptoms documented to date (Unknown)

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Toxicity Details

Humans

Low

No official human toxicity data is documented; incidental contact may cause mild skin irritation, and large ingestion may lead to minor GI upset

Cats

Moderate

Primarily gastrointestinal upset; higher exposures may cause ataxia, muscle weakness, depression, or hypothermia as cats are the most sensitive species

Dogs

Low

Primarily gastrointestinal upset; larger exposures may lead to ataxia, muscle weakness, depression, or hypothermia

Horses

Unknown

Toxicity is unknown, no confirmed clinical symptoms documented to date

Toxicity Snapshot

Toxic PartsAll aerial plant parts (leaves, stems, flowers), with highest essential oil concentrations in fresh leaves

Exposure RouteIngestion of plant material, direct skin contact with crushed or damaged plant tissue

Toxic CompoundsEssential Oils

First Aid & Prevention

First 30 Minutes

• Remove any remaining plant material from the exposed animal's mouth and rinse the oral cavity with clean, cool water
• If skin contact occurred, wash the affected area thoroughly with mild soap and water to remove residual essential oils
• Monitor the animal closely for early signs of distress including vomiting, drooling, or unsteady movement for the first 30 minutes post-exposure

Contact Vet Immediately

• If the exposed animal is a cat, as cats are the most sensitive to this plant's toxins
• If any clinical signs including GI upset, ataxia, muscle weakness, depression, or hypothermia develop
• If a large volume of plant material was ingested by any animal species

Prevention

• Keep Scented Geranium plants out of reach of cats and dogs in both indoor and outdoor living spaces
• Avoid planting this species in pastures or areas accessible to horses until its toxicity to equines is confirmed
• Wash hands thoroughly after handling the plant to prevent accidental transfer of essential oils to pet food or fur

Treatment & Prognosis

• Veterinarians may administer activated charcoal for recent large ingestions to reduce absorption of toxic essential oils
• Provide supportive care including IV fluids, anti-emetics, and temperature regulation for animals presenting with severe symptoms
• Monitor affected animals until all clinical signs fully resolve, with targeted care for neurological symptoms if present

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Professional Toxicology

Scientific NamePelargonium sp.

AliasesGeraniums

Toxicity Grade

HumansLow

CatsModerate

DogsLow

HorsesUnknown

Target Organs

Gastrointestinal tractNervous system

Mechanism of Action

• Essential oils in the plant irritate the gastrointestinal mucosal lining, and may affect nervous system function at higher exposure levels

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cat: Highest sensitivity to toxic essential oils; even moderate exposure may cause both GI distress and neurological symptoms including ataxia and hypothermia

Dog: Moderate risk, most exposures only result in self-limiting gastrointestinal upset such as vomiting or diarrhea

Horse: No confirmed toxicity data available; ingestion is not recommended as a precautionary measure

Small companion mammals (rabbits, guinea pigs): Low risk, may cause mild GI upset if large amounts of plant material are consumed

Confusion Risk

The following plants look similar and may be confused:

True Wild Geranium Geranium maculatum

Often confused with Scented Geranium due to shared common name 'geranium' and similar leaf morphology; true geraniums have significantly lower documented toxicity to domestic pets than Pelargonium species

Zonal Geranium Pelargonium zonale

Visually nearly identical to scented varieties and belongs to the same Pelargonium genus; both species contain toxic essential oils and pose equivalent toxicity risks to pets

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Related Toxic Plants

Zonal Geranium

Pelargonium zonale

Low to moderate toxicity for cats and dogs

Ivy-leaved Geranium

Pelargonium peltatum

Low to moderate toxicity for cats and dogs

Carolina Geranium

Geranium carolinianum

Low toxicity, may cause mild GI upset if ingested in large quantities

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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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