While aloe gel is safe for human use, the latex (yellow sap near the leaf skin) contains saponins and anthraquinones that are toxic to cats. Ingestion can cause vomiting, diarrhea, and lethargy.

Carnations can cause mild gastrointestinal upset and skin irritation in cats. They’re not life-threatening, but best kept away from curious kitties.

Chrysanthemums contain pyrethrins and sesquiterpene lactones that can cause vomiting, diarrhea, drooling, and even depression or incoordination in cats.

Beloved spring flowers that can irritate a cat’s mouth and GI tract. Bulbs contain the highest toxin concentration; petals and leaves are less toxic but still irritating.

All parts of lilies are toxic to cats.

Contains insoluble calcium oxalate crystals that cause intense burning and irritation of the mouth, tongue, and lips in cats. While rarely fatal, it causes significant discomfort.

All parts contain cardiac glycosides extremely toxic to cats. Ingestion may cause severe heart problems, digestive upset, and can be fatal.

Despite its name, the Peace Lily is NOT a true lily (Lilium) and does not cause kidney failure. However, it contains calcium oxalate crystals that irritate the mouth and digestive tract.

Contains insoluble calcium oxalate crystals that cause intense burning, drooling, and swelling in a cat’s mouth and throat. Rarely fatal, but ingestion is extremely uncomfortable.

Contains calcium oxalate crystals that cause immediate burning and irritation in the mouth, lips, and tongue. Cats often chew it out of curiosity due to trailing vines—but even a small bite causes distress.

True roses (Rosa spp.) are non-toxic to cats! However, thorns can cause mouth or paw injuries, and store-bought bouquets may be treated with pesticides or preservatives that are harmful.

Every part is highly toxic to cats—seeds (nuts) are most deadly. Even a single seed can cause severe liver failure, seizures, and death within 24–48 hours.

Snake plants contain saponins, which can cause nausea, vomiting, and diarrhea in cats. Most cases are mild, but ingestion should still be avoided.

The Spider Plant is non-toxic to cats and dogs! It’s even listed by NASA as an air-purifying plant. Many cats enjoy playing with its dangling “pups,” making it a fun and safe choice.

Sunflowers are completely non-toxic to cats and dogs! Their bright blooms and tall stems make them a joyful, pet-safe choice for gardens and bouquets.

Tulips contain tulipalin A and B, which are most concentrated in the bulbs. Ingestion can cause drooling, vomiting, and diarrhea. Leaves and flowers are less toxic but still irritating.

Popular easy-care indoor plant containing calcium oxalate crystals that can cause oral irritation and GI upset if ingested by cats.