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Pet safety

Is Fennel toxic to cats?

Foeniculum vulgare

Non-toxic to cats

No — fennel is listed by the ASPCA as non-toxic to cats. It is a sensible choice for a home with a cat; a curious nibble will not poison them, though no plant is meant to be eaten. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Foeniculum vulgare is not listed by the ASPCA. Safe for cats and dogs in moderation. Aromatic oils may cause GI upset in very large amounts.

Is fennel toxic to cats? — FAQ

Is fennel toxic to cats?

No — fennel is listed by the ASPCA as non-toxic to cats. It is a sensible choice for a home with a cat; a curious nibble will not poison them, though no plant is meant to be eaten. Foeniculum vulgare is not listed by the ASPCA. Safe for cats and dogs in moderation. Aromatic oils may cause GI upset in very large amounts.

Is fennel safe for cats?

Yes — the ASPCA lists fennel as non-toxic to cats and dogs. A cat that chews a large amount of any foliage can still get a mild, brief stomach upset, so discourage grazing, but it will not be poisoned.

Is fennel toxic to dogs too?

The ASPCA classification Growli uses applies to both cats and dogs: Fennel is non-toxic to dogs as well. See the full fennel pet-safety guide for both species.

What other plants are safe for cats?

Reliable ASPCA non-toxic picks for a cat home include spider plant, calathea, parlor palm, peperomia, and most true ferns. Browse the best cats-safe plants list to check more before you buy.

Full fennel pet-safety