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Is Lemon Verbena toxic to cats?

YES (TOXIC)
Unfortunately, Lemon Verbena is toxic and potentially harmful to cats. We recommend you keep your feline friends away from this plant. See the table below for more information.
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Additional Names:Lemon Beebrush
Scientific Name:Aloysia triphylla
Family:Verbenaceae
Toxic Principles:Essential oils
Clinical Signs:Stomach upset, colic. No concerns if small amounts used in cooking or as flavoring agent.
If you think your cat may have ingested a poisonous substance, call 888 426 4435 or your local vet
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Lemon Verbena Toxic to Cats?

Introduction

Lemon verbena is a plant native to South America that is commonly used in the culinary industry for its flavor and aroma. Many cat owners wonder whether this plant poses a risk to their furry friends. The short answer is that there is no definitive answer. Some sources suggest that lemon verbena is safe for cats, while others claim that it can be toxic. In this article, we will explore the existing evidence and try to provide some clarity on the matter.

What are the Risks?

When it comes to determining whether a plant is toxic to cats, there are several factors that need to be considered. The first is the type of toxin involved. Some plants contain compounds that are only harmful if ingested in large quantities, while others can cause harm even in small amounts. The second factor is the cat's sensitivity to the toxin. Just like humans, cats can have different levels of sensitivity to certain substances. Finally, the severity of the symptoms caused by the toxin is also important. Some toxins cause mild symptoms, while others can lead to severe illness or even death.

Compounds in Lemon Verbena

Lemon verbena contains several compounds that are potentially harmful to cats. The first is citral, which is responsible for the plant's distinct lemony scent. Citral can cause skin irritation and allergic reactions in some cats. The second compound is eucalyptol, which is commonly used as a cough suppressant in humans. However, in cats, it can cause respiratory distress and even pneumonia. Finally, lemon verbena contains tannins, which can cause digestive upset and interfere with nutrient absorption.

What are the Symptoms of Lemon Verbena Poisoning in Cats?

If your cat ingests lemon verbena, you may notice the following symptoms:
  • Vomiting
  • Diarrhea
  • Loss of appetite
  • Weakness
  • Depression
  • Increased heart rate
  • Difficulty breathing
  • Seizures
  • Coma
If you suspect that your cat has ingested lemon verbena and is displaying any of these symptoms, it's essential to seek veterinary attention immediately. Treatment will depend on the severity of the symptoms and may include supportive care such as fluid therapy, anti-nausea medication, and oxygen therapy.

Is Lemon Verbena Safe for Cats?

The answer to this question is not straightforward. While some sources suggest that lemon verbena is safe for cats, there is no scientific research that definitively proves this. Furthermore, the compounds found in lemon verbena are known to be harmful to cats in certain quantities. Therefore, it's best to err on the side of caution and avoid giving your cat any products containing lemon verbena.

Alternatives to Lemon Verbena

If you're looking for ways to freshen up your home or keep your cat's litter box smelling fresh, there are several pet-safe alternatives to lemon verbena. Some options include:
  • Citrus fruits - slices of oranges, lemons, or limes can be placed around the house or in the litter box to provide a fresh scent.
  • Catnip - this plant is safe for cats and can be used to freshen up their living space. You can grow it in a pot or sprinkle the dried leaves in their favorite spots.
  • Baking soda - this household item can be sprinkled in the litter box or around the house to absorb odors.

Conclusion

Although lemon verbena is a popular ingredient in culinary dishes and fragrance products, it's not clear whether it's safe for cats. The compounds found in this plant can cause a range of symptoms, from digestive upset to respiratory distress. Therefore, it's best to avoid exposing your cat to lemon verbena and opt for more pet-friendly alternatives. If you suspect that your cat has ingested lemon verbena or any other potentially toxic substance, seek veterinary attention immediately. Keeping your feline friend safe and healthy should always be a top priority.
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