Is Sago Palm (cycas Revoluta) safe for Cats?
⏳ Pending source check by the Eaoae Safety Review · Drafted 2026-10-06
⚠️ AI-generated answer \u2014 not yet verified. This check was generated by AI and has not been source-checked by the Eaoae Safety Review, so it is not part of Eaoae’s verified database. Use it as a starting point only: confirm with an authoritative source such as ASPCA Animal Poison Control or Pet Poison Helpline, or ask your veterinarian. If your pet may have eaten something dangerous, contact your vet or a poison helpline now \u2014 don’t wait on a website.
No, sago palm is extremely unsafe for cats. All parts contain cycasin, with seeds being the most lethal. Even small ingestions can cause liver failure, and the fatality rate is 50-75% despite treatment.
🚨 Emergency: Yes — contact your veterinarian immediately.
💡 Why
Sago palm (Cycas revoluta) poisoning in cats follows the same devastating course as in dogs: cycasin damages the liver, causes GI hemorrhage, and can trigger neurological signs. Cats are less likely to chew the plant than dogs, but curious cats -- especially kittens -- may nibble leaves or play with fallen seeds. Given cats' small body size, even a single seed can be fatal.
🩺 What to do
- Keep sago palms out of any area your cat accesses, including patios and indoor rooms.
- Any suspected nibbling is an emergency vet visit -- do not adopt a wait-and-see approach.
- If possible, bring the plant label or a photo so the vet can confirm the species.
❓ Common questions
Are cats as vulnerable as dogs?
Yes. Cats are affected by the same cycasin toxin, and their smaller size means a lower lethal dose.
What are the warning signs in cats?
Vomiting, diarrhea, lethargy, loss of appetite, jaundice (yellowing of gums/skin), and bruising.
My sago palm is indoors -- is my cat safe?
Check the soil of potted sago palms kept indoors -- fallen seeds in the pot are an overlooked hazard for indoor cats.
📚 Sources
🔎 How the sources compare
What each authority says about Sago palm (Cycas revoluta) \u2014 compiled 2026-10-28. Eaoae’s verdict summarizes these sources; it is not our own diagnosis.
| Source | Dogs | Cats | Dose info |
|---|---|---|---|
| ASPCA Animal Poison Control | Toxic to dogs — listed under Cycads (common names include Sago Palm and Fern Palm; Cycas and Zamia species); toxic principles include cycasin and B-methylamino-l-alanine; clinical signs include vomiting (which may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure and death | Toxic to cats — listed under Cycads (common names include Sago Palm and Fern Palm; Cycas and Zamia species); toxic principles include cycasin and B-methylamino-l-alanine; clinical signs include vomiting (which may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure and death | 1-2 seeds can be fatal |
| Pet Poison Helpline | Toxic — Sago Palm (Cycas revoluta) contains cycasin; any part of the plant, especially the seed or nut, can cause severe gastrointestinal distress (vomiting, diarrhea, bloody vomitus), nervous system disturbance (stumbling gait, weakness, seizures), liver failure and death | Toxic — Sago Palm (Cycas revoluta) contains cycasin; any part of the plant, especially the seed or nut, can cause severe gastrointestinal distress (vomiting, diarrhea, bloody vomitus), nervous system disturbance (stumbling gait, weakness, seizures), liver failure and death | — |
| Merck Veterinary Manual | Named on Merck's dog liver-disorders page — cycad plants (Sago palm ornamental plants for the yard and home) are listed among the substances toxic to the liver, alongside amanita mushrooms, that can cause life-threatening liver damage in dogs | Not covered | — |
| VCA Hospitals | Highly toxic to dogs — all parts of the sago palm are poisonous, but the seeds (nuts) are the most toxic to pets; the plant's toxic compounds cause severe gastrointestinal upset, damage to the liver and sometimes neurological signs; increased liver enzymes or liver failure may take up to 48 to 72 hours to appear | Highly toxic to cats — the page covers dogs and cats together; in most dogs and cats the first signs are gastrointestinal upset and lethargy, with liver damage or failure possible within 48 to 72 hours; less common signs include weakness, wobbly gait, tremors or seizures | — |
| Eaoae summary (cats) | ⛔ Unsafe \u2014 Known to be harmful or toxic. Keep it away from your pet. | ||
🔗 Related checks for cats
- Chicken ✅ Safe
- Mothballs (naphthalene) ⛔ Unsafe
- dog food ⚠️ Caution
- Death cap mushroom (Amanita phalloides) ⛔ Unsafe
- avocado ⚠️ Caution
- onion ⛔ Unsafe
Checked with Eaoae’s safety lookup. Answers are generated for reference and may be incomplete — always confirm with your vet for your individual pet. Spotted an error? Let us know.
