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Is Plantain Lily toxic to cats?

YES (TOXIC)
Unfortunately, Plantain Lily is toxic and potentially harmful to cats. We recommend you keep your feline friends away from this plant. See the table below for more information.
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Additional Names:Hosta
Scientific Name:Hosta plantaginea
Family:Liliaceae
Toxic Principles:Saponins
Clinical Signs:Vomiting, diarrhea, depression.
If you think your cat may have ingested a poisonous substance, call 888 426 4435 or your local vet
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Plantain Lily Toxic to Cats?

Introduction

Plantain lilies, also known as hostas, are prized for their lush foliage and attractive flowers. These plants are popular in gardens and as indoor plants, but many pet owners wonder if they are safe for their cats. Cats are curious creatures and tend to nibble on plants, so it's important to know which ones are toxic and which ones are not. In this article, we'll explore the question of whether plantain lilies are toxic to cats and what you should do if your cat has ingested this plant.

What are Plantain Lilies?

Plantain lilies are a genus of herbaceous perennial plants that belong to the family Asparagaceae. These plants are native to East Asia, but have become popular in gardens around the world. The most common species is Hosta plantaginea, which is known for its fragrant white flowers. Plantain lilies typically have large, broad leaves that range in color from bright green to blue-green.

Are Plantain Lilies Toxic to Cats?

The answer to this question is not straightforward. While plantain lilies are not considered highly toxic to cats, they can still cause some health problems if ingested in large amounts. The leaves and stems of these plants contain saponins, which can cause gastrointestinal upset if ingested in large quantities. Symptoms of saponin poisoning include vomiting, diarrhea, and abdominal pain. In addition to saponins, plantain lilies also contain oxalates, which can irritate the mouth, tongue, and throat if ingested. This can cause your cat to drool excessively or paw at their mouth. Severe cases of oxalate poisoning can cause respiratory distress and even death, but these cases are rare.

What to Do If Your Cat Ingests Plantain Lilies

If you suspect that your cat has ingested plantain lilies, it's important to monitor them closely for any signs of distress. If your cat is showing symptoms of poisoning, such as vomiting or diarrhea, you should take them to the vet right away. Your vet may recommend inducing vomiting or administering activated charcoal to help absorb any toxins that are still in your cat's stomach. In severe cases of poisoning, your cat may require IV fluids and other supportive care to help them recover. It's important to seek treatment as soon as possible to give your cat the best chance of recovery.

Preventing Plant Poisoning in Cats

The best way to prevent plant poisoning in cats is to keep toxic plants out of reach. If you have plantain lilies in your home or garden, make sure they are in an area that your cat cannot access. You can also use deterrents such as bitter sprays or noisy distractions to keep your cat away from plants. In addition to plantain lilies, there are many other plants that are toxic to cats, including lilies, azaleas, and daffodils. It's a good idea to research any new plants before bringing them into your home or garden to make sure they are safe for your pets.

Conclusion

While plantain lilies are not highly toxic to cats, they can cause health problems if ingested in large amounts. If you suspect that your cat has ingested this plant, it's important to monitor them closely and seek treatment if necessary. By taking precautions to keep your home and garden free of toxic plants, you can help keep your cat safe and healthy.
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