Pet Health

Is Basil Safe for Cats?

Discover if basil is safe for your feline friend! Learn about potential benefits, risks, and how to keep your cat healthy while enjoying herbs at home.
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Fresh basil plant with a curious cat sniffing its leaves in a sunny kitchen setting.

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As a cat parent, it’s natural to wonder if the herbs and plants in your kitchen are safe for your feline friend. Basil is a popular herb used in many dishes, but is it safe for cats? If your curious kitty has been nibbling on basil leaves, you might be concerned about potential risks. Let’s dive into the facts and give you the clarity you need.

🩺 Vet Insight

The good news is that basil is generally considered safe for cats to eat in small amounts. According to the ASPCA, basil is non-toxic to cats, dogs, and horses (source). While it’s not harmful, it’s also not particularly beneficial to their diet. Cats are obligate carnivores, meaning their nutritional needs are primarily met through meat-based proteins, not herbs or vegetables.

That said, small nibbles of basil here and there are unlikely to cause any harm. However, overindulgence or consuming large amounts of basil could lead to mild gastrointestinal upset, such as vomiting or diarrhea, due to their sensitive digestive systems.

⚠️ Ingredients to Avoid

While basil itself is safe, not all herbs, seasonings, or foods used with basil are cat-friendly. Here are some ingredients to watch out for:

  • Garlic and onions: These are toxic to cats and can cause anemia, even in small amounts.
  • Oils and spices: Basil-infused oils or dishes seasoned with salt, pepper, or other spices may irritate your cat’s stomach.
  • Tomatoes: While ripe tomatoes are less dangerous, green tomatoes and their leaves are toxic to cats.
  • Dairy: Many basil-based dishes, like pesto, include cheese or cream, which cats may have trouble digesting due to lactose intolerance.

If your cat has consumed any of these harmful ingredients, monitor them closely for symptoms like lethargy, vomiting, diarrhea, or pale gums, and consult a vet immediately.

✅ Safer Alternatives

If your cat seems interested in plants and herbs, there are safer options to satisfy their curiosity. Consider these cat-friendly alternatives:

  • Catnip: A classic favorite that many cats love.
  • Cat grass: A blend of grasses like wheat, barley, or oats that is safe and enjoyable for cats to chew on.
  • Parsley: In small amounts, parsley is safe for cats and can even aid digestion.

These alternatives provide safe and enriching ways for your cat to explore greenery without risking their health.

💡 Final Advice

Basil is safe for cats in moderation, but it doesn’t offer much nutritional value for them. If your cat occasionally nibbles on a basil leaf, there’s no need to worry. However, always keep an eye on them to ensure they’re not consuming large amounts or accessing basil in dishes that include harmful ingredients.

As always, if your cat exhibits any unusual symptoms after eating basil or any other herb, it’s best to consult a veterinarian. A quick chat with a vet can provide peace of mind and ensure your pet’s safety.

FAQs

Q: Can cats eat basil leaves?
A: Yes, cats can safely eat small amounts of fresh basil leaves. However, it should only be an occasional treat and not a regular part of their diet.

Q: What happens if my cat eats too much basil?
A: Eating too much basil may cause mild gastrointestinal upset, such as vomiting or diarrhea. Monitor your cat for symptoms and consult a vet if they persist.

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References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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