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Is Coolwort toxic to cats?

NO (NON-TOXIC)
Good news, Coolwort 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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Additional Names:Clearweed, Richweed
Scientific Name:Pilea pumila
Family:Urticaceae
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Coolwort Toxic to Cats?

Coolwort, often referred to as Northern green orchid or twayblade, is a plant commonly found in wet meadows, bogs, and marshes. While this plant may be a beautiful sight when in bloom, especially during the spring season, it is important to note that it might pose risks to cats and other domestic animals.

What is Coolwort?

Coolwort belongs to the Orchidaceae family and is listed as one of the 25 orchids species native to Ontario. These plants grow as tall as 30 cm (1 ft), and have flowers that bloom from May to July. The leaves are elliptic to lance-shaped and are 10 to 60 cm long. Coolwort ranges across the northern United States and Canada, and is found in all Canadian provinces except Saskatchewan and Prince Edward Island.

Is Coolwort Toxic to Cats?

According to veterinary toxicologists, the chemicals present in coolwort can be poisonous to cats, dogs, horses, and even humans if ingested in large quantities. Specifically, the plant contains a compound called hederagenin, which is believed to cause an upset stomach, vomiting, diarrhea, depression, and even loss of coordination in animals.

While coolwort is relatively rare and not commonly found in residential areas, outdoor cats who roam in natural habitats may come across the plant and might be tempted to try it out. Therefore, it is essential to watch your cat's behavior closely if you ever suspect them of eating parts of the coolwort plant.

What are the Symptoms of Coolwort Poisoning?

Coolwort poisoning symptoms can vary depending on the amount of the plant ingested and the size of the animal. If you know or suspect that your cat has ingested coolwort, it is essential to contact your veterinarian right away. Here are some of the common symptoms you may notice:

  • Vomiting
  • Diarrhea
  • Abdominal pain
  • Depression
  • Lack of coordination
  • Decreased appetite
  • Pale or jaundiced gums (in severe cases)

What to Do If Your Cat Ingests Coolwort

If you suspect that your cat has ingested coolwort, the first step is to contact your veterinarian. While waiting for a response from your veterinarian, you can do the following:

  • Try to identify the plant and take a sample with you to the vet if possible.
  • If the plant was recently ingested, induce vomiting by administering hydrogen peroxide. However, it is essential to consult your veterinarian before doing this.
  • Provide plenty of water to keep your cat hydrated and flush out any toxins from their system.
  • Administer activated charcoal to help absorb toxins from your cat's digestive system. However, consult your veterinarian before using any home remedies.

Conclusion

Coolwort is a beautiful plant found in wet habitats, but it contains toxins that can harm your cats, dogs, horses, and even humans. If you suspect your cat of ingesting coolwort, watch for symptoms such as vomiting, diarrhea, or lack of coordination. It is best to contact your veterinarian for guidance on how to proceed.

While it is rare to find coolwort in residential areas, it is still important to be vigilant, especially if you have an outdoor cat that roams freely. Keep your pets safe and protected by knowing the plants and flowers in your area, and checking whether they are toxic to your animals. That way, you can ensure that your pet stays healthy and happy.

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