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Is Holly toxic to cats?

YES (TOXIC)
Unfortunately, Holly 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:English Holly, European Holly, Oregon Holly, Inkberry, Winterberry, American Holly
Scientific Name:Ilex opaca
Family:Aquifoliaceae
Toxic Principles:saponins
Clinical Signs:Vomiting, diarrhea and depression. Leaves and berries are low toxicity.
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 Holly Toxic to Cats? What You Need to Know

Introduction

As a cat owner, you always want to make sure that your feline friend is safe and healthy. This includes knowing which plants and household items are toxic to cats. Holly is a popular plant during the holiday season, but is it safe for cats to be around? In this article, we will delve into the topic of whether holly is toxic to cats.

Background

Holly is a shrub or tree that is part of the Aquifoliaceae family. It is commonly used as decoration during the holiday seasons due to its bright green leaves and vibrant red berries. Holly is native to Europe, Asia, and Africa. In the United States, holly can commonly be found in the South, Midwest, and Eastern regions.

Holly Plant Basics

Holly plants produce bright reddish or orange berries that are attractive to birds and other animals. The leaves are spiny, glossy, and dark green in color. The holly plant is typically used as a decorative plant during the holiday season, such as in wreaths, garlands, and centerpieces.

Are Holly Berries Toxic to Cats?

Yes, holly berries are toxic to cats. The berries contain saponins, which are harmful to cats when ingested. Saponins are glycosides that are found in many plant species, including holly. When cats ingest holly berries, they can suffer from vomiting, diarrhea, lethargy, and depression. In some cases, the ingestion of holly berries can lead to more severe symptoms such as seizures and coma.

Cats may be attracted to holly berries due to their bright color and texture. It is important to keep your cat away from any holly plants or decorations that contain holly berries.

Are Holly Leaves Toxic to Cats?

The leaves of the holly plant are also toxic to cats. The spiny leaves contain sharp points that can cause injury to your cat's mouth or digestive tract if ingested. The leaves contain saponins and other toxins that can lead to vomiting, diarrhea, and lethargy. In more severe cases, holly leaf ingestion can cause gastrointestinal bleeding, dehydration, and liver damage.

What to Do if Your Cat Ingests Holly Berries or Leaves?

If you suspect that your cat has ingested holly berries or leaves, seek immediate veterinary attention. Your veterinarian may induce vomiting to remove any remaining holly plant material from your cat's stomach. They may also administer medications to help control any symptoms that your cat is experiencing. In severe cases, hospitalization may be necessary to monitor your cat's condition closely and provide supportive care as needed.

Conclusion

In conclusion, holly is toxic to cats. The berries and leaves contain saponins and other toxins that can lead to a range of symptoms from vomiting and diarrhea to seizures and liver damage. As a cat owner, it is important to keep your cat away from any holly plants or decorations that contain holly berries and leaves. If you suspect that your cat has ingested holly, seek immediate veterinary attention to ensure that your cat receives prompt and appropriate care. By being aware of the potential risks associated with holly and cats, you can help keep your beloved feline friend safe and healthy this holiday season and beyond.

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