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Tailwise

Garden

Is Autumn crocus toxic to cats and dogs?

Colchicum autumnale · also called Meadow saffron

Cats

Highly toxic

Dogs

Highly toxic

Autumn crocus contains colchicine, which can damage the gut, kidneys, liver and bone marrow. Signs may be delayed for days.

Autumn crocus
Photo: Mart铆n Vicente, M. (Public domain) via flickr

If your pet chewed it

  1. This is an emergency.
  2. Go to your vet now, even if your pet seems fine.
  3. Call your vet or a pet poison helpline, tell them the plant name (a photo helps) and how much was chewed.
  4. Rinse your pet’s mouth with water and remove any plant material from the fur.

Signs to watch for

  • Vomiting (sometimes bloody)
  • Diarrhoea
  • Shock
  • Organ damage days later

What is harmful

Parts
Every part, especially bulbs
Substance
Colchicine

Pet-safe alternatives

  • Spring crocus (mild only)
  • Asters

Questions owners ask

Is Autumn crocus toxic to cats?

Yes — highly toxic to cats. Harmful parts: every part, especially bulbs.

Is Autumn crocus toxic to dogs?

Yes — highly toxic to dogs. Harmful parts: every part, especially bulbs.

What happens if a pet eats autumn crocus?

vomiting (sometimes bloody), diarrhoea, shock, organ damage days later.

What should I do if my pet chewed it?

This is an emergency. Go to your vet now, even if your pet seems fine. Call your vet or a pet poison helpline, tell them the plant name (a photo helps) and how much was chewed. Rinse your pet’s mouth with water and remove any plant material from the fur.

What are pet-safe alternatives to autumn crocus?

Spring crocus (mild only), Asters.

Sources

  1. ASPCA toxic and non-toxic plants list
  2. Merck Veterinary Manual: poisonous plants
  3. Pet Poison Helpline: poisons

Tailwise is for general information and is reviewed by veterinary professionals, but it is not a substitute for advice from your own vet, who knows your pet. How we check facts

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