Autumn crocus poses fatal toxicity risk to dogs

Pet owners in Slovenia and Croatia are being warned about the dangers of Colchicum autumnale, commonly known as autumn crocus or autumn meadow saffron. This plant, which features distinctive purple flowers, is highly toxic to dogs and other animals.

All parts of the plant—including the flowers, leaves, seeds, and bulbs—contain colchicine, a potent alkaloid that inhibits cell division. Ingestion can lead to severe poisoning, affecting tissues with rapidly dividing cells such as the digestive tract and bone marrow. Symptoms may include excessive salivation, vomiting (sometimes bloody), diarrhea, abdominal pain, lethargy, and difficulty breathing. Severe cases can result in organ failure, specifically affecting the liver and kidneys, as well as shock and death.

Veterinarians advise that if a pet is suspected of consuming the plant, owners should seek medical attention immediately, even if symptoms are not yet present. Providing a sample or photograph of the plant to a veterinarian can assist in diagnosis.