Mexican Cycad

Mexican Cycad

Dioon edule
Dogs: Severe Cats: Severe

Veterinary Emergency

Veterinary emergency. Contains same liver-destroying toxins as Sago Palm. 50%+ mortality rate.

ASPCA Poison Control: (888) 426-4435 | Pet Poison Helpline: (855) 764-7661

Plant Information

Dioon edule, Palma de la Virgen

Zamiaceae

outdoor

Highly Toxic — Emergency Risk

Toxicity Details

all parts, seeds

Cycasin and macrozamin

1 to 3 days

severe

Symptoms to Watch For

  • Vomiting
  • Liver failure
  • Jaundice
  • Seizures
  • Death

What to Do

Veterinary emergency. Contains same liver-destroying toxins as Sago Palm. 50%+ mortality rate.

Do not wait for symptoms. Call your vet or poison control immediately.

About Mexican Cycad

All cycads contain deadly cycasin. This includes Dioon, Zamia, Macrozamia, and Cycas species. They are among the most lethal plants for dogs.

Safe Alternatives

These plants provide a similar look but are non-toxic to pets:

✓ Areca Palm ✓ Kentia Palm

Related:

Is Mexican Cycad toxic to dogs? Is Mexican Cycad toxic to cats?

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline, Merck Veterinary Manual. Plant image from Wikimedia Commons (CC). Not a substitute for veterinary advice. Last reviewed: June 2026.