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Pet safety

Is Cos Romaine Lettuce toxic to cats?

Lactuca sativa var. longifolia 'Cos'

Non-toxic to cats

No — cos romaine lettuce 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. Cultivated lettuce (Lactuca sativa) is considered non-toxic to cats and dogs and is not on the ASPCA list of toxic plants. It is high in fibre and water, so large quantities can cause mild digestive upset; offer only as an occasional treat in small amounts.

Is cos romaine lettuce toxic to cats? — FAQ

Is cos romaine lettuce toxic to cats?

No — cos romaine lettuce 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. Cultivated lettuce (Lactuca sativa) is considered non-toxic to cats and dogs and is not on the ASPCA list of toxic plants. It is high in fibre and water, so large quantities can cause mild digestive upset; offer only as an occasional treat in small amounts.

Is cos romaine lettuce safe for cats?

Yes — the ASPCA lists cos romaine lettuce 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 cos romaine lettuce toxic to dogs too?

The ASPCA classification Growli uses applies to both cats and dogs: Cos Romaine Lettuce is non-toxic to dogs as well. See the full cos romaine lettuce 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 cos romaine lettuce pet-safety