Autumn Crocus
Colchicum autumnale
Dogs: Severe
Cats: Severe
Veterinary Emergency
Veterinary emergency. No antidote exists. Early aggressive treatment is critical.
ASPCA Poison Control: (888) 426-4435 | Pet Poison Helpline: (855) 764-7661
Plant Information
Meadow Saffron, Naked Lady, Colchicum
Colchicaceae
garden
Highly Toxic — Emergency Risk
Toxicity Details
all parts, bulbs
Colchicine
2 to 24 hours (delayed onset)
severe
Symptoms to Watch For
- Vomiting
- Bloody diarrhea
- Bone marrow suppression
- Multi-organ failure
- Shock
What to Do
Veterinary emergency. No antidote exists. Early aggressive treatment is critical.
Do not wait for symptoms. Call your vet or poison control immediately.
About Autumn Crocus
Extremely dangerous — do not confuse with the safe spring-blooming Crocus. Colchicine causes delayed multi-organ failure. Symptoms may worsen dramatically over 24-72 hours.
Safe Alternatives
These plants provide a similar look but are non-toxic to pets: