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Is Carolina Hemlock toxic to cats?

NO (NON-TOXIC)
Good news, Carolina Hemlock is a cat safe plant! While this plant is non-toxic, it may still irritate your cat's tummy and potentially cause vomitting or diarrhea if ingested.
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Scientific Name:Tsuga caroliniana
Family:Pinaceae
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Carolina Hemlock Toxic to Cats?

Introduction

When it comes to keeping our furry friends safe, most pet owners are well aware of the things that pose a risk to their health. From toxic foods to poisonous plants, we do our best to keep everything out of their reach. However, there are still some lesser-known dangers out there that we need to be aware of. One such threat is the Carolina Hemlock tree. If you have this tree growing on your property or nearby, and you're a cat owner, you may be wondering whether it's safe for your pets to be around.

What is Carolina Hemlock?

The Carolina Hemlock, or Tsuga caroliniana, is a coniferous evergreen native to the United States. It grows in the southeastern region of the country, primarily in the Appalachian mountains. The tree can reach heights of up to 80 feet and has a dense canopy that provides shade and shelter for wildlife. The Carolina Hemlock is an important species ecologically, as it supports a variety of animals and insects that rely on it for food and habitat.

Is Carolina Hemlock toxic to cats?

Cats are naturally curious creatures, and they like to investigate their surroundings. Unfortunately, this can sometimes lead to unexpected encounters with potentially dangerous substances. When it comes to the Carolina Hemlock, cat owners should be cautious because the tree is indeed toxic to cats. The needles, bark, and seeds of the Carolina Hemlock contain a toxic compound called taxine, which can be lethal to cats when ingested.

What are the symptoms of Carolina Hemlock poisoning?

If you suspect that your cat has ingested any part of the Carolina Hemlock tree, it's essential to seek veterinary care immediately. The symptoms of Carolina Hemlock poisoning can appear within hours of ingestion and include:
  • Vomiting
  • Diarrhea
  • Loss of appetite
  • Lethargy
  • Tremors
  • Ataxia (loss of coordination)
  • Seizures
  • Coma
  • Death

How can you prevent Carolina Hemlock poisoning?

Preventing Carolina Hemlock poisoning in cats starts with identifying the locations of these trees and keeping your pets away from them. If you have Carolina Hemlock trees on your property, ensure that your cats are kept indoors or supervised when outside to avoid any contact with the tree's needles, seeds or bark. You might consider adding a physical barrier around the tree to keep your cat from approaching it. Also, if you spot any tree parts in your yard that may have fallen off, make sure to pick them up and dispose of them.

Conclusion

The Carolina Hemlock is a beautiful species of evergreen tree that deserves to be protected and respected. If you are a cat owner, please be aware that this tree is toxic to your pets and make sure to take the necessary precautions. By keeping your cats away from these trees, you can ensure their safety and prevent any unnecessary harm. While it's natural for cats to be curious, their well-being should always come first. Remember to contact your veterinarian immediately if you suspect that your cat has ingested any part of the Carolina Hemlock tree.

References

  • Barr, A.R. (1969). Hemlock trees and their hardiness. Journal of Horticulture and Science, 44(1), 18-26.
  • Campbell, S. (2018). Poison hemlock. Veterinary Medicine: Research and Reports, 9, 81-87.
  • Smith, T.K., Mckeown, D.B., & Meyer, Y.J. (2009). Poisoning and drug overdose (6th ed.). New York, NY: McGraw-Hill Education.
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