Can Cats Eat Fennel?

Yes, cats can eat fennel. Although the bulb isn’t a favorite food for most cats, it’s a tasty treat for many. And because it’s so nutritious, it’s an ideal ingredient for homeopathic medicine.

You can occasionally feed your cat a bit of fennel if it seems to want something different from its regular diet.

Let’s start now!

What Exactly Is Fennel?

Fennel is a fragrant herb that grows in moist, temperate areas worldwide.

It originated in the Mediterranean and needs to be planted in soil that’s rich in moisture, so it’s often grown in swampy regions.

Fennel is a plant that belongs to the carrot family (Apiaceae) which means its stalk bears edible seeds.

Fennel has been used in both culinary and medicinal ways for centuries.

Fennel tea is supposed to relieve cold and flu symptoms as well as indigestion and gas, and it’s been used for centuries as a digestive aid and to treat liver disease.

Cats can consume dried fennel seeds or drink a tea made of fennel seeds.

Fennel is not harmful to cats, but eating too much fennel can result in vomiting or diarrhea.

Your kitties are special and deserve safe foods.

In fact, they could be allergic to some ingredients in some cat foods.

Can Cats Eat Fennel?

Fennel may be eaten by cats, but they should not eat too much fennel because their digestive systems aren’t made to digest it quickly or in large quantities.

It is not harmful to cats – in fact, it has long been used as a digestive aid – but eating too much fennel can result in vomiting or diarrhea.

The ASPCA, on the other hand, recommends against feeding cats any raw or uncooked foods.

Fennel has a high fiber content that may increase the risk of intestinal blockage in cats – especially in young cats and small breeds of cats.

Your cat will benefit from a diet formulated specifically for cats – one with healthy grains and meats.

While they may not need that great deal of fiber in their diet, your cat will still need protein, fats, vitamins and minerals in their diet to stay healthy and to avoid obesity.

Is Fennel Toxic To Cats?

Fennel is not dangerous to cats in small amounts, but eating too much fennel can cause vomiting or diarrhea.

Fennel is edible for cats and does not harm them, but it can cause tummy problems if they eat too much.

Fennel is not hazardous to cats, but they need a diet high in protein and fat to stay healthy.

Foeniculum vulgare, Finocchio, or fennel is a sweet-smelling herb and vegetable.

It has edible seeds, stalks and leaves and is a popular ingredient in many recipes.

Fennel may be eaten by cats, but reportedly doing so can upset their stomachs and cause vomiting or diarrhea.

It is not toxic to cats, but eating too much fennel can cause them problems because it can cause excess gas or bloating in some animals.

Fennel Health Benefits For Cats

Fennel is a high-water-content food and so may keep the cat hydrated.

It is used in a diet for cats, and is often added to food as a flavoring agent or as an appetite stimulant.

It has therapeutic properties and also has medicinal uses in the traditional treatment of various disorders.

Vitamin C and fiber in their diet, your cat will still need protein, fats, vitamins and minerals in their diet to stay healthy and to avoid obesity.

Potential Issues for Cats Eating Fennel

There are no significant issues for feeding fennel to cats in small amounts, but eating too much fennel can cause vomiting or diarrhea.

Because your cat will not be harmed by eating fennel, mixing small amounts of this herb into your cat’s diet is not considered a hazard.

Fennel oil, on the other hand, is toxic to cats in even small quantities and is greatly discouraged in a feline diet for this reason.

It has been associated in small studies with the development of hypothyroidism in cats and with hemoglobinuria in cats, but larger studies are needed to confirm these associations.

According to the ASPCA, you should never be feeding cats fennel in oil form because it can be dangerous to their health.

That is, however, no reason to worry if your feline friend is given small amounts of fennel in a culinary form like dill or fennel seeds.

The majority of concentrated herbal oils used in herbal preparations are not safe for ingestion by humans or animals simply because of the highly concentrated nature of these oils.

Can Cats Eat Fennel Seeds?

Fennel seeds are safe for cats to consume since they contain only trace amounts of essential oils.

Fennel seed is a moderate anti-gas and antispasmodic that may be especially helpful for cats who suffer from flatulence due to irritable bowel syndrome.

Fennel seed soothes stomach discomfort caused from gas build-up and acts as a mild diuretic to stimulate the elimination of excess water and minerals from the body.

Can Kittens Eat Fennel?

Yes, kittens can eat fennel, but it is not suggested to feed them too much as this herb can be toxic to them in large amounts.

Kittens are more susceptible to things than adult cats and they should not be allowed to eat too much fennel.

Regardless of their rarity, any contaminants in food can cause serious liver problems, kidney damage and even death in kittens.

Similarly, kittens are more susceptible than adults to liver problems caused by medications, drugs or pesticides found in food.

This might lead to diarrhea, vomiting or weight loss in kittens.

How Much Fennel Should Cats Eat?

When portioning, keep your cat’s weight in mind as too much fennel could cause diarrhea and digestive upset.

Only a few minced fennel seeds per day are all that is needed.

To minimize stomach discomfort, limit your kitten’s exposure to fennel to one time per day and provide fresh water at all times to keep them hydrated.

Also Read: Can Cats Eat Jasmine Rice?


Cats can eat fennel for medicinal purposes or as an occasional treat. Its benefits include relieving digestion issues and preventing obesity.

Just remember that moderation is the key! Don’t feed your cat fennel every day—that can lead to digestive issues or obesity.

Instead, give your cat 1⁄2 teaspoon or less of fennel a day with meals or as an occasional treat for flavor.

Fennel leaves, stems, and seeds can all be eaten—but remember the seeds have the most concentrated oil.

In modest amounts, they are safe to your furry friends.

Avoid using concentrated oil of fennel or feeding your feline friend more than 1/2 teaspoon of pulverized seeds or oil per day to avoid.

Finally, this plant or its variants can cause stomach upset or diarrhea for cats that are sensitive to its components.