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Is Staggerbush toxic to cats?

YES (TOXIC)
Unfortunately, Staggerbush 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:Fetterbush, Maleberry
Scientific Name:Lyonia sp.
Family:Ericaceae
Toxic Principles:Grayanotoxins
Clinical Signs:Vomiting, diarrhea, depression, cardiovascular collapse, hypersalivation, weakness, coma, low blood pressure, death. Ingestion of a few leaves can cause serious problems.
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 Staggerbush Toxic to Cats?

Staggerbush (Leucothoe fontanesiana) is a shrub that is native to the southeastern United States. It is known for its beautiful foliage and is often used in landscaping. However, there is a concern among pet owners that the plant may be toxic to cats. In this article, we will explore the scientific evidence regarding the toxicity of staggerbush to cats.

What Is Staggerbush?

Staggerbush is a member of the Ericaceae family, which includes other plants such as blueberries, cranberries, and rhododendrons. It is a broad-leaved evergreen shrub that grows up to 10 feet tall and 8 feet wide. Staggerbush is often used in landscaping because of its dense foliage, which can be green, red, or bronze in color.

The plant produces small, white or pink flowers in the spring and summer, which are followed by small, red berries in the fall. The leaves and stems of staggerbush contain a variety of chemicals that are believed to be responsible for its potential toxicity.

What Are the Symptoms of Staggerbush Poisoning in Cats?

If a cat ingests staggerbush, it may develop a variety of symptoms, including:

  • Vomiting
  • Diarrhea
  • Loss of appetite
  • Dehydration
  • Lethargy
  • Weakness
  • Tremors or seizures
  • Difficulty breathing
  • Abdominal pain

In severe cases, staggerbush poisoning can be fatal. If you suspect that your cat has ingested staggerbush, you should contact your veterinarian immediately.

Is There Scientific Evidence That Staggerbush Is Toxic to Cats?

While there is limited scientific research on the toxicity of staggerbush to cats specifically, there is evidence to suggest that the plant may be toxic to other animals. For example, a study published in the Journal of Agricultural and Food Chemistry found that a related plant, Kalmia angustifolia, contains a number of toxins that are poisonous to sheep and other grazing animals.

The study found that the leaves and stems of Kalmia angustifolia contain a group of toxins known as grayanotoxins, which can cause a variety of symptoms, including vomiting, diarrhea, weakness, and even death. While staggerbush does not contain the same concentrations of grayanotoxins as Kalmia angustifolia, it is believed to contain similar chemicals that could be poisonous to animals.

A 2011 study published in the Journal of Agriculture and Food Chemistry found that staggerbush contains a number of phenolic compounds, which are known to be toxic to both humans and animals. The study found that the leaves and stems of staggerbush contained high levels of a phenolic compound called arbutin, which can cause nausea, vomiting, and diarrhea in humans.

While there is no direct evidence that staggerbush is toxic to cats, the evidence from studies on related plants and the presence of toxic compounds in staggerbush suggests that it is possible that the plant could be poisonous to cats as well.

What Should You Do If Your Cat Ingests Staggerbush?

If you suspect that your cat has ingested staggerbush, you should contact your veterinarian immediately. Your veterinarian will likely ask you about the symptoms your cat is experiencing and may recommend that you bring your cat in for an examination.

Your veterinarian may also recommend that you induce vomiting in your cat to remove any remaining plant material from its digestive system. However, you should never induce vomiting in your cat without first consulting with your veterinarian.

If your cat has severe symptoms, such as tremors or difficulty breathing, your veterinarian may recommend hospitalization for treatment and observation.

Conclusion

While there is no direct evidence that staggerbush is toxic to cats, the evidence from studies on related plants and the presence of toxic compounds in staggerbush suggests that it is possible that the plant could be poisonous to cats as well. If you suspect that your cat has ingested staggerbush, you should contact your veterinarian immediately. Your veterinarian can provide you with guidance on how to treat your cat and can help you prevent future incidents of poisoning.

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