Is String of Buttons toxic to cats & dogs?
Crassula perforata
Yes — String of Buttons is toxic to pets.
Matched to its entry on Pet Poison Helpline's plant poison list on September 9, 2026. Crassula is listed as toxic to dogs and cats at genus level (the jade plant is the familiar example); ingestion causes vomiting, incoordination and lethargy, so keep the stacked stems well out of reach of pets.
Questions pet owners ask
Is String of Buttons toxic to cats?
String of Buttons (Crassula perforata) is recorded as toxic to cats in our plant records. Crassula is listed as toxic to dogs and cats at genus level (the jade plant is the familiar example); ingestion causes vomiting, incoordination and lethargy, so keep the stacked stems well out of reach of pets. Those are our own records, compiled by following the ASPCA's published toxic and non-toxic plant lists and Pet Poison Helpline's plant poison list rather than copied from them — confirm anything that matters against Pet Poison Helpline's plant poison list, which this one is matched to, or with your vet.
Is String of Buttons toxic to dogs?
String of Buttons is recorded as toxic to dogs in our plant records. Those are our own records, compiled by following the ASPCA's published toxic and non-toxic plant lists and Pet Poison Helpline's plant poison list rather than copied from them — confirm anything that matters against Pet Poison Helpline's plant poison list, which this one is matched to, or with your vet.
What should I do if my pet eats String of Buttons?
Keep this plant out of reach. If your pet ingests it, contact your vet or the ASPCA Animal Poison Control Center at (888) 426-4435. No plant list is a safety guarantee.
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Those are our own records, compiled by following the ASPCA's published toxic and non-toxic plant lists and Pet Poison Helpline's plant poison list rather than copied from them — confirm anything that matters against Pet Poison Helpline's plant poison list, which this one is matched to, or with your vet. This information is educational and not a substitute for veterinary advice. If your pet has ingested a plant, contact your vet or the ASPCA Animal Poison Control Center at (888) 426-4435.