Plants / Crocus / dogs

Is Crocus toxic to dogs?

Crocus (Crocus spp.) is toxic to dogs (S1 Caution): Pet Poison Helpline says ingestion of this spring-blooming plant causes drooling, vomiting, loss of appetite, and diarrhea in dogs and cats, and that spring-blooming Crocus are not to be confused with fall-blooming Autumn Crocus (Colchicum autumnale), a very toxic plant that causes severe kidney and liver injury plus bloody vomiting and diarrhea.

  • TOXINnot specified by the source
  • WHAT TO EXPECTdrooling; vomiting; loss of appetite
  • CALL THE VETContact your vet if signs persist or worsen after Crocus exposure. Pet Poison Helpline lists drooling, vomiting, loss of appetite, and diarrhea for Crocus spp.
S0S1S2S3S4

Symptoms

SIGN
drooling
vomiting
loss of appetite
diarrhea

If your dog just ate it

S1 PROTOCOL
1
Move Crocus (Crocus spp.) out of your dog's reach. Watch for drooling, vomiting, loss of appetite, or diarrhea. Contact your vet if signs persist or worsen.
2
When to call the vet: Contact your vet if signs persist or worsen after Crocus exposure. Pet Poison Helpline lists drooling, vomiting, loss of appetite, and diarrhea for Crocus spp.
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Care at a glance

Lightdirect
Waterevery 5–9 days
Humiditymedium
Difficulty●●○

FAQ

Is Crocus toxic to dogs?

Yes, for Crocus spp.: S1 Caution. Pet Poison Helpline says "Ingestion of this plant results in drooling, vomiting, loss of appetite, and diarrhea in companion animals (dogs and cats)." Move Crocus out of your dog's reach and contact your vet if signs persist or worsen.

Which plant does this Crocus verdict cover?

Crocus spp. Pet Poison Helpline says "Crocus (Crocus spp) are early spring blooming flowers" and "Spring-blooming Crocus are not to be confused with fall-blooming Autumn Crocus (Colchicum autumnale), a very toxic plant that causes severe kidney and liver injury plus bloody vomiting and diarrhea." This verdict covers Crocus spp. only. It does not grade Colchicum autumnale. Check the scientific name on the tag.

What signs does Pet Poison Helpline list for spring-blooming Crocus?

"Drooling, vomiting, loss of appetite, and diarrhea in companion animals (dogs and cats)." Those are the signs for Crocus spp. The same page's Autumn Crocus sentence is about Colchicum autumnale, which this page does not grade. Contact your vet if signs persist or worsen.

Is Crocus toxic to cats?

Yes, for Crocus spp.: S1 Caution. Pet Poison Helpline says "Ingestion of this plant results in drooling, vomiting, loss of appetite, and diarrhea in companion animals (dogs and cats)." Move Crocus out of your cat's reach and contact your vet if signs persist or worsen.

CITE THIS PAGE

Verdapaw Plant × Pet Safety Index, verdapaw.com/plants/crocus, reviewed 2026-11-01