Is Wake Robin Toxic to Dogs and Cats? (2026)

Arum maculatum

Advertisement

Mild
Mild
Varies

Quick facts

Toxic to dogsYes
Toxic to catsYes
Toxic to horsesYes
Toxic componentInsoluble calcium oxalate crystals
Onset of symptomsWithin minutes of chewing
Indoor / outdoorboth

If your pet ate this plant

Both lines are staffed 24/7. A consultation fee applies to each. Do not wait for symptoms to appear before calling.

Advertisement

Symptoms in dogs

  • Oral pain
  • Drooling
  • Vomiting
  • Difficulty swallowing

Symptoms in cats

  • Oral pain
  • Drooling
  • Vomiting
  • Pawing at mouth

Advertisement

What to do

Offer water to help rinse remaining crystals from the mouth. Most cases resolve with supportive care at home; seek vet care if swelling of the mouth or throat develops.

Toxic component and mechanism

The toxic component in Wake Robin is insoluble calcium oxalate crystals.

What makes this plant different

Another common name for Arum maculatum — this plant is sold and referred to under at least five different common names, all sharing the identical mild oxalate-crystal toxicity.

Plant identification

Scientific name
Arum maculatum
Family
Araceae
Also known as
Wake Robin, Arum, Lord-and-Ladies, Adam-and-Eve, Starch Root, Bobbins, Cuckoo Plant
Typically found
both

Advertisement

See all Araceae plants →

The information on this page is for general informational purposes only and is not a substitute for professional veterinary advice. Plant toxicity data is sourced from the ASPCA Toxic and Non-Toxic Plants database. If you believe your pet has ingested a toxic plant, contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435) immediately. Do not wait for symptoms to appear.

Last verified: July 2, 2026 · Cross-referenced with ASPCA Animal Poison Control