Can Cats Eat Parsley?

If you’re a cat parent who enjoys cooking with fresh herbs, you might wonder, “Can cats eat parsley?” It’s a fair question, especially since many herbs offer health benefits to humans. But when it comes to cats, not all herbs are created equal.

In this comprehensive guide, we’ll dive into whether parsley is safe for cats, examine different types like curly parsley, flat-leaf parsley, dried parsley, and Italian parsley, and discuss how much (if any) you should feed your feline friend. Plus, we’ll explore potential health benefits, risks, and vet-approved feeding tips.

Is Parsley Safe for Cats?

Yes, parsley is generally safe for cats in small amounts. It contains vitamins A, C, and K, as well as antioxidants, folate, and iron. However, moderation is key. Large quantities of parsley can lead to health issues like photosensitivity or digestive irritation, especially in cats with preexisting conditions like kidney problems.

The ASPCA does not list parsley as toxic, but it does note that it can cause photosensitization in large quantities due to furanocoumarins—a natural compound found in some parsley varieties.

Health Benefits of Parsley for Cats

When given appropriately, parsley may provide some health benefits for cats:

Rich in Antioxidants: Helps neutralize harmful free radicals.
Vitamin K: Supports bone health and proper blood clotting.
Folate: Essential for cell function and growth.
Breath Freshening: Some owners notice improved breath in cats who nibble parsley.

Still, these benefits are only effective when parsley is given in tiny, infrequent portions. It should never replace your cat’s balanced commercial diet.

Can Cats Eat Curly Parsley?

Curly parsley, often used as a garnish, is safe for cats—but only in moderation. It has a high concentration of furanocoumarins, which, in large amounts, can cause skin and digestive irritation. Cats with kidney problems or urinary tract issues should avoid it entirely.

Because curly parsley is more bitter and tougher in texture, most cats aren’t naturally attracted to it. If your cat does show interest, offer only a small piece and observe for any unusual behavior or reactions.

Can Cats Eat Flat Leaf Parsley?

Flat-leaf parsley, also known as Italian parsley, is less bitter and often preferred in cooking. It contains the same nutritional benefits as curly parsley but with a milder flavor. Like its curly cousin, it’s only safe in small amounts.

Some cat owners choose flat-leaf parsley when making homemade cat treats. Just remember to use it sparingly and never add onions, garlic, or other toxic ingredients in recipes.

Can Cats Eat Fresh Parsley?

Fresh parsley is the most nutrient-rich form of the herb and the safest for cats when given in tiny, occasional amounts. Always wash the parsley thoroughly to remove pesticides, and chop it finely before offering it to your cat.

A pinch of chopped fresh parsley sprinkled over wet cat food can add a bit of variety and nutrition. However, it’s not a necessary part of your cat’s diet and should never be forced.

Can Cats Eat Dried Parsley?

Dried parsley is more concentrated in flavor and compounds, making it more likely to cause irritation in cats if given in excess. Many commercial dried herbs also include preservatives, flavor enhancers, or additives that may not be cat-safe.

If you must use dried parsley, ensure it’s 100% pure and organic. Even then, limit your cat’s intake to a tiny sprinkle no more than once a week.

Can Cats Eat Italian Parsley?

Italian parsley is simply another name for flat-leaf parsley, and yes—it is safe in small amounts. Italian parsley is more fragrant and tender than curly varieties, making it easier to digest in tiny portions.

It’s commonly confused with cilantro (which cats tend to dislike), but unlike cilantro, Italian parsley can be a safe occasional treat.

Can Cats Eat Oregano, Parsley, and Bay Leaf?

While parsley is generally safe, oregano and bay leaf are toxic to cats.

Oregano: Contains phenols and essential oils that are toxic to cats, causing vomiting, diarrhea, and weakness.
Bay Leaf: Contains eugenol and other compounds that can irritate your cat’s digestive system and potentially harm the liver.

Never offer your cat herb blends or seasoning mixes that include oregano, bay leaves, or garlic. Even small amounts of these ingredients can be dangerous.

Can Kittens Eat Parsley?

It’s best to avoid giving parsley to kittens. Their digestive systems are still developing, and introducing herbs too early can lead to stomach upset or allergic reactions.

If you’re determined to try, wait until your kitten is at least 6 months old and start with the tiniest amount under veterinary guidance.

Risks of Feeding Parsley to Cats

Even though parsley is non-toxic in small doses, it still carries risks when misused:

Photosensitivity: Overconsumption can cause sensitivity to sunlight due to furanocoumarins.
Urinary Irritation: Especially in cats prone to urinary tract infections or kidney disease.
Digestive Upset: Vomiting or diarrhea if given in excess.
Allergic Reactions: Though rare, some cats may be allergic to herbs.

Signs Your Cat Ate Too Much Parsley

If your cat consumed a large amount of parsley, watch for these symptoms:

Lethargy
Drooling
Vomiting
Diarrhea
Increased sensitivity to light

Contact your vet immediately if you notice any of these symptoms.

How to Safely Feed Parsley to Cats

If you want to include parsley in your cat’s diet, here’s how to do it safely:

Use only fresh, organic parsley.
Chop finely and add no more than a pinch to food.
Limit feeding to once or twice a week.
Avoid dried parsley unless it's free from additives.
Never mix with other herbs like oregano or bay leaf.

Homemade Cat Treats with Parsley

Want a fun way to share parsley with your cat? Try this simple treat recipe:

Ingredients:
- 1/2 cup cooked chicken, shredded
- 1 egg
- 1 tablespoon oat flour
- 1 teaspoon finely chopped fresh parsley

Instructions:
1. Preheat oven to 350°F (175°C).
2. Mix all ingredients until combined.
3. Form small balls and place them on a baking tray.
4. Bake for 10–12 minutes until firm.
5. Cool completely before serving.

Store in an airtight container for up to 5 days.

Final Thoughts: Should Cats Eat Parsley?

Yes, cats can eat parsley—but only in moderation and with caution. Fresh, flat-leaf, or curly parsley can be a safe and nutritious herb for your feline if served properly. However, overfeeding or offering dried, blended, or mixed herbs can lead to health complications.

If you're ever unsure, always consult with your veterinarian before introducing any new food to your cat's diet.

FAQs About Cats and Parsley