8 Plants that Are Toxic to Cats and Could be in Your Home or Garden

Cats are naturally curious creatures, often nibbling on various plants they encounter. While this behavior might seem harmless, certain plants can be toxic and pose serious health risks to your feline friends. Understanding which plants are hazardous is crucial to ensuring a safe environment for your cat. This blog highlights eight common plants toxic to cats that you might have in your home or garden. If you suspect your cat has ingested any of these plants, call us at (626) 798-0738 or book an appointment online with Altadena Pet Hospital.

Lilies

Lilies are beautiful flowers that are popular in many gardens and floral arrangements, but they are extremely toxic to cats. Every part of the lily plant, from the petals to the pollen, can cause severe kidney failure in cats if ingested. Even small amounts can be deadly. Symptoms of lily poisoning include vomiting, lethargy, and loss of appetite. Immediate veterinary attention is essential if your cat comes into contact with lilies.

Types of Lilies to Avoid

Several types of lilies are particularly dangerous for cats, including:

• Easter Lilies
• Tiger Lilies
• Day Lilies
• Asiatic Lilies

Keeping these plants out of your home and garden can prevent accidental ingestion.

Aloe Vera

Aloe Vera is a common houseplant known for its soothing properties for human skin. However, it is toxic to cats. The gel inside the aloe leaves contains compounds called saponins and anthraquinones, which can cause vomiting, diarrhea, and changes in color of urine. Cats may also experience lethargy and tremors. If your cat shows these symptoms, seek veterinary care promptly.

Sago Palm

Sago Palms are attractive, low-maintenance plants often found indoors and outdoors. Unfortunately, they are highly toxic to cats. The seeds, in particular, contain cycasin, a toxin that can cause liver damage. Symptoms of sago palm poisoning include vomiting, increased thirst, bruising, and liver failure. If you suspect your cat has ingested any part of a sago palm, contact your vet immediately.

Dieffenbachia

Dieffenbachia, also known as Dumb Cane, is a popular houseplant known for its attractive, large leaves. This plant contains insoluble calcium oxalates, which can cause severe irritation of the mouth, drooling, vomiting, and difficulty swallowing if ingested by cats. In severe cases, it can lead to swelling of the upper airway and difficulty breathing. Removing this plant from your home can help protect your cat from these potential hazards.

Oleander

Oleander is a highly toxic plant that is often found in gardens due to its attractive flowers and hardy nature. All parts of the oleander plant are toxic, and ingestion can cause severe heart problems, including arrhythmias and decreased heart rate. Additional symptoms include vomiting, diarrhea, and even death if not treated promptly. It is best to avoid planting oleander in areas accessible to your cat.

Pothos

Pothos, also known as Devil’s Ivy, is a common houseplant that is easy to care for. However, it contains insoluble calcium oxalates that can cause oral irritation, excessive drooling, vomiting, and difficulty swallowing in cats. Pothos should be kept out of reach of curious cats to prevent accidental ingestion. If you love pothos plants, consider hanging them in places your cat cannot reach or opt for safer alternatives like spider plants or Boston ferns.

Azaleas

Azaleas are popular garden shrubs known for their vibrant flowers. Unfortunately, they are highly toxic to cats. Azaleas contain grayanotoxins, which can cause vomiting, diarrhea, drooling, and, in severe cases, can lead to coma or death. If your cat ingests any part of an azalea plant, seek veterinary assistance immediately.

Chrysanthemums

Chrysanthemums, commonly known as mums, are popular in gardens and as cut flowers. These plants contain pyrethrins and sesquiterpene lactones, which are toxic to cats. Symptoms of chrysanthemum poisoning include vomiting, diarrhea, drooling, and lack of coordination. While not usually fatal, prompt treatment is necessary to alleviate your cat’s discomfort. Consider planting cat-friendly flowers like roses or sunflowers in your garden to keep your feline friend safe while enjoying a beautiful landscape.

Protecting Your Cat from Toxic Plants

Creating a safe environment for your cat involves being mindful of the plants you bring into your home and garden. While the plants listed above are among the most toxic, many others can pose risks. Always research the toxicity of plants before adding them to your living space. If you suspect your cat has ingested a toxic plant, seek veterinary care immediately. Call Altadena Pet Hospital at (626) 798-0738 or book an appointment online to ensure your cat receives the best possible care.