Growli
Let's go

Pet safety

Is Holmgren's Dioon toxic to cats?

Dioon holmgrenii

Toxic to cats

Yes — holmgren's dioon is toxic to cats according to the ASPCA. Keep it well away from any cat that chews plants; reactions can be significant. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Contains cycasin (a hepatotoxic glucoside) and BMAA neurotoxin throughout all plant tissues, including seeds, leaves, and roots. Ingestion by dogs, cats, or humans causes vomiting, diarrhoea, acute hepatic failure, and potentially fatal neurological damage. Seeds are most dangerous. Zamiaceae cycads are classified as severely toxic by ASPCA.

What to do if your cat ate holmgren's dioon

  1. Remove any plant material from your cat's mouth and move holmgren's dioon out of reach.
  2. Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
  3. Do not induce vomiting unless a vet or poison-control specialist instructs you to.
  4. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice.
  5. Bring a leaf or photo of holmgren's dioon to the appointment so it can be treated correctly.

General guidance, not veterinary advice. If you think your cat has eaten holmgren's dioon, contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.

Is holmgren's dioon toxic to cats? — FAQ

Is holmgren's dioon toxic to cats?

Yes — holmgren's dioon is toxic to cats according to the ASPCA. Keep it well away from any cat that chews plants; reactions can be significant. Contains cycasin (a hepatotoxic glucoside) and BMAA neurotoxin throughout all plant tissues, including seeds, leaves, and roots. Ingestion by dogs, cats, or humans causes vomiting, diarrhoea, acute hepatic failure, and potentially fatal neurological damage. Seeds are most dangerous. Zamiaceae cycads are classified as severely toxic by ASPCA.

What are the symptoms if a cat eats holmgren's dioon?

Contains cycasin (a hepatotoxic glucoside) and BMAA neurotoxin throughout all plant tissues, including seeds, leaves, and roots. Ingestion by dogs, cats, or humans causes vomiting, diarrhoea, acute hepatic failure, and potentially fatal neurological damage. Seeds are most dangerous. Zamiaceae cycads are classified as severely toxic by ASPCA. Signs usually appear soon after chewing rather than hours later — watch for drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy after your cat has had access to holmgren's dioon.

What should I do if my cat ate holmgren's dioon?

Stay calm. Remove any plant from your cat's mouth and take the plant away. Note how much was eaten and when, and do not induce vomiting unless told to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice; a leaf or photo helps the vet treat it correctly.

Is holmgren's dioon toxic to dogs too?

The ASPCA classification Growli uses applies to both cats and dogs: Holmgren's Dioon is toxic to dogs as well. See the full holmgren's dioon pet-safety guide for both species.

What is a cat-safe alternative to holmgren's dioon?

For a similar look without the risk, see the best cats-safe plants list — every plant there is ASPCA non-toxic to cats and dogs.

Full holmgren's dioon pet-safety