Toxic to dogs, cats and horses (colchicine and other alkaloids), even in small amounts: oral irritation, bloody vomiting, shock, multi-organ failure, bone-marrow suppression. Source: ASPCA.
Toxicity by animal
Animal
Level
Dogs
Highly toxic
Cats
Highly toxic
Horses
Highly toxic
Birds
Highly toxic
Humans
Highly toxic
⚕️ Important: This information is sourced from open plant safety databases.
If your pet has ingested this plant, contact your veterinarian or
ASPCA Animal Poison Control (888-426-4435) immediately.
Access toxicity data via API
GET /v1/toxicity?species=Colchicum+autumnale&animal=dogs