§ Toxic plants · Ranunculaceae · Checked Oct 2026
Is larkspurs toxic to cats and dogs?
Yes. Larkspurs (Delphinium spp.) is toxic to cats and dogs, according to the ASPCA Animal Poison Control Center. Plant Smart rates its effects Critical, level 4 of 4.
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§ 010 · Signs
What to watch for
Signs include drooling, tremors, stiffness, weakness, lying down and unable to get up, seizures, heart failure, respiratory paralysis, paralysis, bloating, wobbliness or poor coordination and collapse. Eaten in quantity, it can be fatal. Signs can start within hours; some take a day or more to show.
§ 020 · If it happened
What to do if your pet ate it
Call your vet or a pet poison hotline straight away, even if your pet seems fine: the ASPCA Animal Poison Control Center, (888) 426-4435, or Pet Poison Helpline, (855) 764-7661. Both are open 24 hours and charge a fee. Have the plant or a photo of it to hand, and don’t make your pet vomit unless a vet tells you to.
§ 030 · Same family
Other Ranunculaceae plants toxic to pets
Larkspurs belongs to the Ranunculaceae family. ASPCA lists these relatives too.
§ 040 · Questions
Questions about larkspurs and pets
Is larkspurs toxic to cats?
Yes. ASPCA lists larkspurs as toxic to cats.
Is larkspurs toxic to dogs?
Yes. ASPCA lists larkspurs as toxic to dogs.
What happens if my pet eats larkspurs?
Signs include drooling, tremors, stiffness, weakness, lying down and unable to get up, seizures, heart failure, respiratory paralysis, paralysis, bloating, wobbliness or poor coordination and collapse. Eaten in quantity, it can be fatal. Plant Smart rates it Critical, level 4 of 4.
What should I do if my pet ate it?
Call your vet or a pet poison hotline right away, even before signs appear: the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661. Both charge a fee. Have the plant, or a photo of it, to hand.