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Is Rubrum Lily toxic to cats?

YES (TOXIC)
Unfortunately, Rubrum 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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Scientific Name:Lilium speciosum
Family:Liliaceae
Toxic Principles:Unknown
Clinical Signs:Vomiting, inappetence, lethargy, kidney failure, and death is possible. Cats are only species known to be affected.
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 Rubrum Lily Toxic to Cats?

Introduction

Cats are undoubtedly one of the most beloved pets in the world, known for their endearing personalities, independence, and playfulness. As such, pet parents do everything in their power to ensure the safety and happiness of their feline friends. This includes pet-proofing their homes and keeping harmful substances at bay. One common question many cat owners have is whether the Rubrum Lily plant is toxic to their furry friends. In this article, we'll explore the toxicity of this plant and learn some tips on keeping your cat safe from its harmful effects.

What is Rubrum Lily?

Rubrum Lily, also known by its scientific name lilium speciosum rubrum or Lilium lancifolium, is a beautiful plant known for its striking reddish-purple flowers. This plant is native to Japan and is a popular ornamental plant in Canada, North America, Europe, and Asia. It is a bulbous plant that can grow up to six feet tall, with long leaves and trumpet-shaped flowers that open wide to reveal a beautiful blooming center.

Is Rubrum Lily Toxic to Cats?

The simple answer is yes, Rubrum Lily is toxic to cats. The plant is considered highly poisonous, and ingestion of any part can cause severe toxicity in cats. According to the ASPCA's Animal Poison Control Center (APCC), Rubrum Lily is classified as a "True Lily" and is toxic to cats (as well as dogs), causing vomiting, lethargy, loss of appetite, and even kidney failure. The toxicity of Rubrum Lily is attributed to the presence of the chemical compound, glycosides, found in the plant's leaves, stems, flowers, and bulbs. Cats are susceptible to Rubrum Lily toxicity through ingestion or even through simply brushing against the plant, which can cause skin irritation and other symptoms. It is worth noting that different parts of the plant contain varying concentrations of glycosides. The Lily flower, for instance, has a much lower concentration of glycosides than the stem and bulb of the plant.

Symptoms of Rubrum Lily Poisoning in Cats

The symptoms of Rubrum Lily poisoning in cats can range from mild to severe depending on the concentration of the toxin ingested and the time elapsed since the ingestion. Here are some of the most common symptoms to look out for:
  • Vomiting
  • Loss of appetite
  • Lethargy
  • Dehydration
  • Increased urination
  • Decreased urination
  • Diarrhea
  • Bloody urine
  • Seizures
  • Coma
If you notice any of these symptoms after your cat has come into contact with Rubrum Lily, it is essential to seek medical attention immediately. Kidney failure is a severe complication of Rubrum Lily toxicity in cats, and early medical intervention can significantly improve the chances of survival.

Preventing Rubrum Lily Poisoning in Cats

As a responsible pet parent, it is crucial to keep harmful substances away from your cat's reach. Here are some tips to prevent Rubrum Lily poisoning in cats:
  • Avoid keeping Rubrum Lily plants in your home or garden
  • Keep your cat indoors and away from gardens or other areas where Rubrum Lily plants may grow
  • Train your cat not to eat indoor plants and provide alternative sources of stimulation, such as toys and scratching posts
  • If you have indoor plants, ensure that they are not toxic to your cat. You can find a comprehensive list of pet-safe plants from the ASPCA's website.

Conclusion

In conclusion, Rubrum Lily is toxic to cats and can cause severe toxicity that can be fatal if left untreated. As a cat owner, it is essential to keep poisonous plants away from your cat's reach and seek medical attention immediately if you suspect Rubrum Lily toxicity. By taking simple precautions and regular checkups with your vet, you can ensure your cat stays healthy and happy for years to come.
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