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Is Haws toxic to cats?

NO (NON-TOXIC)
Good news, Haws 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:Pirliteiro
Scientific Name:Crataegus species
Family:Rosaceae
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Haws Toxic to Cats?

Introduction

If you are a cat owner, you're probably aware of the importance of providing a safe environment for your furry friends. One of the most common dangers for cats is exposure to toxic substances, and as a responsible pet owner, it's important to be aware of everything that might be hazardous to your pet. This includes plants, as many of them can be poisonous to cats. In this article, we will explore the Haws plant and its potential toxicity to cats.

What is Haws?

Haws (Crataegus Monogyna) is a plant that is commonly known as the common hawthorn, single-seeded hawthorn, or may-tree. It is a small, deciduous tree or shrub that can be found throughout Europe, North Africa, and Western Asia. Haws are known for their bright red berries, which are often used in traditional medicine and as a food source.

Is Haws Toxic to Cats?

Toxicity of the Haws plant to cats is a matter of debate. While some sources suggest that the plant is toxic to cats, others argue that it is entirely safe. According to the ASPCA's toxic plant database, the Haws plant is not toxic to cats. However, it's worth noting that this database is not comprehensive, and it does not cover every potential toxin for cats. There are no reported cases of cats being poisoned by Haws, and there is no conclusive evidence to suggest that the plant is harmful to them. However, this plant can still pose a potential risk if ingested by cats. If your cat eats any part of the Haws plant, they may experience gastrointestinal upset such as vomiting and diarrhea.

What Should You Do If Your Cat Ingests Haws?

If you suspect that your cat has ingested Haws, you need to contact your veterinarian immediately. While it's unlikely that the plant will cause any severe harm to your cat, it's best to err on the side of caution and get professional advice. Your veterinarian may advise you to monitor your cat's symptoms closely and ensure that they are drinking enough water to prevent dehydration.

Other Plants Toxic to Cats

It's crucial to be aware of other plants that are toxic to cats, as they can pose a significant threat to your pet's health. Here are some examples of plants that are toxic to cats:
  • Lilies: These are incredibly toxic to cats and can cause severe kidney damage if ingested.
  • Aloe Vera: It can cause vomiting, diarrhea, and lethargy in cats.
  • Chrysanthemum: It can cause vomiting, diarrhea, and loss of coordination in cats.
  • Pothos: It can cause vomiting, diarrhea, and swelling of the mouth and tongue in cats.
  • Yew: It can cause vomiting, diarrhea, and difficulty breathing in cats.

Conclusion

While the Haws plant is not considered toxic to cats, it's crucial to be aware of potential risks. If you have Haws in your garden and your cat likes to roam outside, it's advisable to keep an eye on them. If you're concerned that your cat may have ingested Haws, it's best to contact your veterinarian immediately. Remember to keep your home environment free from any toxic plants and to educate yourself about potential hazards that could pose a risk to your pet's health. Ultimately, the key to keeping your cat safe and healthy is to exercise caution and remain vigilant.
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