Is Kalanchoe Toxic to Cats?

Yes — Kalanchoe is moderately toxic to cats

Kalanchoe contains cardiac glycosides similar to foxglove, though at lower concentrations. While typically causing only GI upset, large ingestions can affect heart rhythm. Very popular as low-maintenance succulents.

Symptoms in Cats

If your cat eats Kalanchoe, watch for these symptoms (onset: 1-6 hours):

Vomiting
Diarrhea
Abnormal heart rhythm
Collapse (rare)

What To Do

See vet. Cardiac monitoring recommended. Most cases are mild GI upset but cardiac effects possible with large ingestion.

Cat-Safe Alternatives to Kalanchoe

✓ Echeveria ✓ Haworthia ✓ Hens and Chicks

Quick Facts

Scientific Name

Kalanchoe spp.

Also Toxic to Dogs?

Yes (moderate)

Toxic Compound

Bufadienolides (cardiac glycosides)

Toxic Parts

all parts, especially flowers

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full Kalanchoe toxicity profile.