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Is Mariposa Lily toxic to cats?

NO (NON-TOXIC)
Good news, Mariposa Lily is a cat safe plant! While this plant is non-toxic, it may still irritate your cat's tummy and potentially cause vomitting or diarrhea if ingested.
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Additional Names:Sego Lily
Scientific Name:Calochortus gunnisonii
Family:Liliaceae
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Mariposa Lily Toxic to Cats?

Cats are curious animals that love to explore their surroundings. As pet owners, we want to ensure the safety of our feline companions. Mariposa lily, also known as Calochortus, is a beautiful flower that is commonly found in the western United States. However, pet owners should be aware of the potential toxic effects that this plant can have on cats.

What is Mariposa Lily?

Mariposa lily is a genus of flowering plants in the lily family. They are known for their stunning flowers that have unique designs on their petals, which resemble a butterfly's wings. Mariposa lilies are native to the western United States and are commonly found in dry, rocky, or sandy areas. They can range in color from white to pink to purple, and their flowers bloom in the spring and summer months.

Is Mariposa Lily Toxic to Cats?

Yes, mariposa lily is toxic to cats. The entire plant, including the leaves, stems, and flowers, contains a toxic chemical called steroidal glycosides. When ingested, this chemical can cause gastrointestinal upset, including vomiting, diarrhea, and loss of appetite. In severe cases, it can also cause cardiac arrhythmias, seizures, and death.

It is important to note that not all cats will have the same reaction to mariposa lily. Some cats may only experience mild symptoms, while others may have a severe reaction. The toxicity of the plant can also depend on the amount ingested and the size of the cat.

What are the Symptoms of Mariposa Lily Poisoning?

If your cat has ingested mariposa lily, you may notice the following symptoms:

  • Vomiting
  • Diarrhea
  • Loss of appetite
  • Lethargy
  • Difficulty breathing
  • Cardiac arrhythmias
  • Seizures

If you suspect that your cat has ingested mariposa lily, it is important to seek veterinary care immediately. The quicker your cat receives treatment, the better their chances of recovery.

What is the Treatment for Mariposa Lily Poisoning?

The treatment for mariposa lily poisoning depends on the severity of the symptoms. If your cat has only ingested a small amount of the plant and is not exhibiting any symptoms, your veterinarian may recommend inducing vomiting to remove the plant from their system.

If your cat is exhibiting symptoms, they may require hospitalization for supportive care. This may include intravenous fluids to prevent dehydration, medications to control vomiting and diarrhea, and monitoring of their heart rate and rhythm.

How Can I Keep My Cat Safe?

The best way to keep your cat safe from mariposa lily poisoning is to prevent them from coming into contact with the plant. If you live in an area where mariposa lily is common, it is important to keep your cat indoors or supervise them when they are outside. You can also remove any mariposa lilies from your yard to eliminate the risk of accidental exposure.

If you have indoor plants, be sure to choose cat-safe varieties and keep any toxic plants out of reach of your cat. It is also a good idea to familiarize yourself with the plants that are toxic to cats, so you can avoid them in your home and yard.

Conclusion

Mariposa lily is a beautiful flower that can be found in many parts of the western United States. However, pet owners should be aware of its potential toxicity to cats. If you suspect that your cat has ingested mariposa lily, seek veterinary care immediately. The best way to keep your cat safe is to prevent them from coming into contact with the plant and familiarize yourself with the plants that are toxic to cats.

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