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Is Parsley toxic to cats?

YES (TOXIC)
Unfortunately, Parsley 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:Italian Parsley, Hamburg Parsley, Turnip-rooted Parsley
Scientific Name:Petroselinum crispum
Family:Apiaceae
Toxic Principles:Furanocoumarins
Clinical Signs:Photosensitization (sunburn, dermatitis), large amounts are needed to cause this effect
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 Parsley Toxic to Cats? The Truth About This Controversial Herb

Introduction

Cats are curious creatures, and they love to explore their surroundings. Unfortunately, their inquisitive nature can sometimes lead to them eating things that are harmful to them, such as plants. As a result, it's essential for pet owners to know which plants are safe for their feline friends and which ones they should avoid.

Parsley is a popular herb that is widely used in cooking. However, it's also a controversial herb when it comes to cats. Some people believe that parsley is toxic to cats, while others argue that it's perfectly safe. So, which is it? Let's take a closer look.

The Truth About Parsley

Parsley (Petroselinum crispum) is a popular herb that is commonly used in many dishes, particularly in Mediterranean cuisine. It's an excellent source of vitamins, minerals, and antioxidants and has many health benefits for humans, such as reducing inflammation and improving digestion.

As for cats, parsley is not toxic or harmful to them when eaten in small amounts. In fact, some pet owners even give their cats parsley as a dietary supplement. However, there are some dangers to keep in mind when it comes to feeding parsley to your cat.

The Dangers of Parsley for Cats

The biggest danger when it comes to parsley and cats is the potential for choking. While parsley is safe for cats to eat, it's a stringy herb that can get caught in their throats and create a blockage. This can be life-threatening for your cat and requires immediate veterinary attention.

Another danger of parsley for cats is the high concentration of essential oils in the herb. Essential oils are highly potent and can be toxic in large amounts. While the amount of essential oils in parsley is not enough to harm your cat in small doses, feeding them large amounts of parsley could lead to digestive problems, vomiting, and diarrhea.

Safe Alternatives to Parsley

While parsley is generally safe for cats, there are many other herbs and plants that are harmful to them. Some of these include:

  • Lilies
  • Tulips
  • Aloe vera
  • Ivy
  • Chrysanthemums

If you're looking for safe alternatives to parsley, consider giving your cat catnip, cat grass, or safe herbs such as chamomile, basil, or oregano. These herbs are safe for cats and can provide many health benefits, such as aiding digestion and reducing stress.

Conclusion

Parsley is a controversial herb when it comes to cats, but the truth is that it's safe for them to eat in small amounts. However, there are potential dangers to keep in mind, such as choking and essential oil toxicity. As with any food, it's important to feed your cat parsley in moderation and keep a close eye on them to ensure they don't choke or experience any adverse reactions.

If you're unsure about feeding your cat parsley or any other herb, talk to your veterinarian. They can provide you with more information and help you make an informed decision about what to feed your feline friend.

Remember, it's better to be safe than sorry when it comes to your cat's health!

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