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Is Coleus toxic to cats?

YES (TOXIC)
Unfortunately, Coleus 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:Indian Borage, Bread and Butter Plant, Spanish Thyme, East Indian Thyme, Stinging Thyme, Country Boarage; many others
Scientific Name:Coleus ampoinicus
Family:Labiatae
Toxic Principles:Essential Oils
Clinical Signs:Vomiting, diarrhea, depression, anorexia, occasionally bloody diarrhea or vomiting
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 Coleus Toxic to Cats?

Introduction

Coleus, also known as Plectranthus scutellarioides, is a popular ornamental plant that is commonly grown for its attractive foliage. This houseplant is known for its easy-care nature, vibrant colors, and the ability to thrive in a range of lighting conditions. However, as loving pet owners, it is essential to research the toxicity of any plant before bringing it into your home. With that said, let's explore whether Coleus is toxic to cats.

Coleus and its Toxicity to Cats

According to the American Society for the Prevention of Cruelty to Animals (ASPCA), Coleus is toxic to cats and dogs, which means that these animals should not have direct contact with this plant. This is because Coleus contains diterpenoid compounds, such as coleonol, which can cause gastrointestinal irritation, vomiting, and diarrhea in cats when ingested. Other symptoms of Coleus toxicity in cats may include lethargy, depression, and loss of appetite.

Mitigating Risk

If you have Coleus in your home and you're a cat owner, it is crucial to take necessary precautions to prevent your cat from ingesting the plant. The easiest way is to keep the plant out of your cat's reach by placing it on a high shelf or using a hanging basket. Another method is by applying a bitter-tasting spray deterrent to the plant's leaves that discourages your cat from consuming the plant's leaves.

Cats and the Consumption of Plants

As a cat owner, it is crucial to remember that your cat is an obligate carnivore, and plants are not an essential part of their diet. However, some cats like to munch on plants occasionally. Therefore, it's essential to be mindful of the types of plants in your home and not put your cat at risk.

Alternatives to Coleus

Suppose you're looking for alternatives to Coleus as a houseplant suitable for cat owners. In that case, there are many options available on the market. Some examples are the spider plant, the Boston fern, and the African violet. These plants are non-toxic to cats and will offer the same visual appeal to your home as Coleus.

Conclusion

In conclusion, Coleus is toxic to cats and dogs and should not be kept in a home where they reside. However, by implementing the necessary precautions, you can mitigate the risk to your cat. It's critical to research the toxicity of any plants before introducing them into your home and to seek veterinary attention if you suspect that your cat has ingested any toxic plants.
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