Kalanchoe
Kalanchoe spp.
Kalanchoe (*Kalanchoe spp.*), a diverse genus of popular succulent houseplants in the stonecrop family (*Crassulaceae*), is **moderately toxic and che...
Symptoms to Watch For
Current risk level for cats based on ingestion severity.
Information provided by BioLens Veterinary Database. In case of emergency, always consult a professional.
If your pet ate this plant:
Professional First Aid Summary:
Moderate toxicity. If your cat ingests any part of a Kalanchoe, especially the flowers, gently flush their mouth with water. Monitor closely for persistent vomiting or signs of abnormal heart rhythm, and contact your veterinarian immediately.
In-Depth Botanical Safety Analysis
Scientific evaluation and toxicological breakdown of Kalanchoe
Kalanchoe (*Kalanchoe spp.*), a diverse genus of popular succulent houseplants in the stonecrop family (*Crassulaceae*), is **moderately toxic and chemically hazardous** to both dogs and cats. While appreciated for their thick, fleshy leaves and clusters of bright, long-lasting flowers, Kalanchoes contain cardiac glycosides known as **bufadienolides** (including bryotoxin, bryophyllin, and cotyledoside). These cardiotoxic compounds are distributed throughout the plant, but are particularly concentrated within the colorful blossoms. Chewing on or swallowing any part of a Kalanchoe can cause significant gastrointestinal irritation, leading to drooling, vomiting, and diarrhea. In more severe cases or with larger ingestions, pets can develop profound weakness, depression, and potentially dangerous cardiac arrhythmias or heart abnormalities. Prompt veterinary consultation is advised if ingestion occurs to evaluate heart rhythm. For a safe, pet-friendly green space, choose non-toxic succulent alternatives like Hens and Chicks, Echeveria, or Haworthia. To learn more about their drought-resistant properties and rosette growth patterns, view our detailed Botanical Profile for Kalanchoe.
To explore more information on pet safety and garden safety, browse our profiles on Lily of the Valley and Chrysanthemum.
Toxic Parts
Recommended Pet-Safe Alternatives
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Specific Safety FAQs for Kalanchoe
Is Kalanchoe toxic to cats?
Yes, Kalanchoe is moderately toxic to cats. Chewing on its fleshy leaves or consuming its flowers can lead to gastrointestinal distress, weakness, and potential heart rate alterations due to cardiotoxic glycosides.
Is Kalanchoe toxic to dogs?
Yes, Kalanchoe is moderately toxic to dogs. Ingestion can cause severe drooling, vomiting, diarrhea, lethargy, and in rare, large ingestions, serious cardiac abnormalities.
What toxic substance does Kalanchoe contain?
Kalanchoe plants contain cardiac glycosides known as bufadienolides, primarily bryotoxin and bryophyllin. These chemical compounds can interfere with the normal contraction of cardiac muscles.
What is the emergency care for Kalanchoe poisoning in pets?
Rinse the pet's mouth with water and contact your veterinarian or a pet poison control center. If the pet shows extreme fatigue, weakness, or an irregular heartbeat, they should be taken immediately to a clinic for cardiac monitoring and supportive fluid therapy.
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