Is the citronella plant toxic to dogs?

Yes. The plant marketed as a 'citronella' or 'mosquito' plant is actually a scented geranium (Pelargonium), which the ASPCA lists as toxic to dogs. Ingestion typically causes mild gastrointestinal upset such as vomiting and loss of appetite.

What happens if my dog eats a citronella (mosquito) plant?

Most dogs develop mild signs: vomiting, reduced appetite, and depression. Larger ingestions can cause loss of coordination, muscle weakness, lethargy, and abnormally low body temperature. Skin contact can also cause dermatitis. Contact your vet or ASPCA Animal Poison Control (888-426-4435) if signs appear.

Is the citronella plant the same as citronella oil or citronella grass?

No. The 'citronella plant' is a Pelargonium geranium that just smells citrus-like and does not contain true citronella oil. Citronella oil is distilled from citronella grass (Cymbopogon), a different plant. Don't assume the plant and the essential oil carry the same risks.

Is Citronella Poisonous to Dogs?

Pelargonium sp. (Pelargonium 'citrosum', the "citrosa"/mosquito plant) · Geraniaceae

Mildly ToxicAlso toxic to cats

Citronella is mildly toxic to dogs.

Why it's toxic

The toxic compounds in citronella:

Essential oils
Geraniol
Linalool

Symptoms to watch for

If your dog ate citronella, watch for:

Vomiting
Anorexia (loss of appetite)
Depression / lethargy
Dermatitis (skin irritation from contact)
Loss of coordination / ataxia (with larger ingestions)
Muscle weakness (with larger ingestions)
Hypothermia (abnormally low body temperature, with larger exposures)

What to do if your dog ate it

1Remove your dog's access to the citronella and check how much may have been eaten.
2Do NOT induce vomiting unless a veterinarian or poison-control expert specifically tells you to.
3Call your veterinarian, the ASPCA Animal Poison Control Center (888) 426-4435, or the Pet Poison Helpline (855) 764-7661 right away.
4Note the amount eaten, the time, and your dog's weight and any symptoms — have this ready for the expert.
5Follow professional guidance and go to the nearest emergency vet if you are advised to.

📞 ASPCA Poison Control (888) 426-4435 📞 Pet Poison Helpline (855) 764-7661

A consultation fee may apply to the Pet Poison Helpline. When in doubt, contact your own veterinarian or nearest emergency clinic.

Frequently asked questions

Is the citronella plant toxic to dogs?: Yes. The plant marketed as a 'citronella' or 'mosquito' plant is actually a scented geranium (Pelargonium), which the ASPCA lists as toxic to dogs. Ingestion typically causes mild gastrointestinal upset such as vomiting and loss of appetite.
What happens if my dog eats a citronella (mosquito) plant?: Most dogs develop mild signs: vomiting, reduced appetite, and depression. Larger ingestions can cause loss of coordination, muscle weakness, lethargy, and abnormally low body temperature. Skin contact can also cause dermatitis. Contact your vet or ASPCA Animal Poison Control (888-426-4435) if signs appear.
Is the citronella plant the same as citronella oil or citronella grass?: No. The 'citronella plant' is a Pelargonium geranium that just smells citrus-like and does not contain true citronella oil. Citronella oil is distilled from citronella grass (Cymbopogon), a different plant. Don't assume the plant and the essential oil carry the same risks.

Sources

Last updated 2026-06-25

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This page is for general educational purposes and is not a substitute for professional veterinary advice. Toxicity can vary with the amount eaten, your dog's size, and individual sensitivity. If you suspect poisoning, contact a veterinarian or poison-control hotline immediately.