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Is Lemon Grass toxic to cats?

YES (TOXIC)
Unfortunately, Lemon Grass 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:Oil Grass
Scientific Name:Cymbopogon citratus
Family:Poaceae
Toxic Principles:Essential oils, cyanogenic glycosides
Clinical Signs:Dogs, cats: Stomach upset; Horses: difficulty breathing, weakness, death (rare)
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 Grass Toxic to Cats?

Cats are known to be curious animals, and they love to explore their surroundings. As a responsible pet owner, it is essential to keep a watchful eye on your feline friend and ensure that they are not exposed to any hazardous substances or toxic plants. One such plant that pet owners often ask about is lemon grass. In this article, we will explore whether lemon grass is toxic to cats.

What is Lemon Grass?

Lemon grass, also known as Cymbopogon citratus, is a herb that is commonly used in cooking to add a lemony flavor to dishes. It is native to tropical regions of Asia, Africa, and Australia and is known for its numerous medicinal properties. Lemongrass contains essential oils such as citral, myrcene, and geraniol, which have antibacterial, antifungal, and anti-inflammatory properties.

Is Lemon Grass Harmful to Cats?

While lemon grass is generally considered safe for humans, the same cannot be said for cats. According to the American Society for the Prevention of Cruelty to Animals (ASPCA), lemon grass is toxic to cats.

The toxic compound in lemon grass is called citral, which can cause gastrointestinal upset in cats. If your furry friend ingests lemon grass, they may experience vomiting, diarrhea, or loss of appetite. In severe cases, citral can cause liver damage and even liver failure in cats.

It is essential to note that the concentration of citral in lemon grass varies, depending on the plant's age and growing conditions. Younger plants tend to have higher citral levels, which makes them more toxic to cats.

What are the Symptoms of Lemon Grass Poisoning in Cats?

If your cat has ingested lemon grass, you should watch out for the following symptoms:

  • Vomiting
  • Diarrhea
  • Loss of appetite
  • Lethargy
  • Dehydration
  • Abdominal pain
  • Jaundice (yellowing of the skin and eyes)
  • Increased thirst and urination

If you notice any of these symptoms in your cat, you should take them to the vet immediately. The vet may perform blood tests to check for liver damage. Treatment for lemon grass poisoning may include IV fluids, medication to control vomiting and diarrhea, and liver support supplements.

Prevention is Key

The best way to prevent lemon grass poisoning in cats is to keep the plant out of their reach. If you have a lemon grass plant in your home, make sure to keep it in a location where your cat cannot access it. You may also want to consider using a plant hanger or placing the plant on a high shelf.

If you have a cat that likes to chew on plants, it is best to avoid having any toxic plants in your house. Some other common plants that are toxic to cats include lilies, azaleas, tulips, and daffodils.

Conclusion

In conclusion, lemon grass is toxic to cats because of the presence of citral, which can cause gastrointestinal upset and liver damage in felines. If you suspect that your cat has ingested lemon grass, you should seek veterinary care immediately. To prevent lemon grass poisoning, keep the plant out of your cat's reach, or avoid having any toxic plants in your home.

As a responsible pet owner, it is vital to be aware of the potential dangers of plants and substances that can harm your furry friend. With proper precautions and awareness, you can keep your cat safe and healthy.

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