Is Delphinium poisonous to dogs and cats?

Updated 2026-09-30 · 2 sources

Based on: Pet Poison Helpline, NC State Extension Gardener Plant Toolbox

Call a vet now

Delphinium is poisonous to dogs and cats – call your vet or the nearest emergency vet right now if your pet has eaten any of it. The flowers, leaves, seeds, stems and roots are listed as poisonous parts, and the plant contains alkaloids.

  • Dogs Call a vet now
  • Cats Call a vet now

What to do right now

  1. Call your vet or the nearest emergency vet.
  2. Note which plant, which part, how much and when.
  3. Take a photo or a piece of the plant with you.
  4. Remove what is left and move the plant out of reach.
  5. Keep your pet calm.

Don't

  • Do not make your pet vomit unless a vet tells you to.
  • Do not give any human medicine.

Why it can be dangerous

Delphinium is listed as a problem for cats and dogs; eating it can cause digestive issues, and touching it can cause severe skin irritation.[2] After ingestion, dogs and cats may show vomiting and lethargy.[1]

Signs to watch for

  • vomiting
  • diarrhea
  • lethargy
  • weakness
  • difficulty breathing
  • bloating
  • severe skin irritation
  • death
Scientific name
Delphinium
Poisonous parts
flowers, leaves, seeds, stems, roots

What the experts say

“Problems: Poisonous to Humans, Problem for Cats, Problem for Dogs, Problem for Horses, Weedy”

— NC State Extension Gardener Plant Toolbox [2]
If your pet is struggling to breathe, has collapsed, is having a seizure or can't stand up: go to the nearest vet now.

Not sure how serious it is?

OkPaw asks a few quick questions about your pet and tells you in 30 seconds whether it can wait. Free on Google Play for Android.

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Common questions

Is Delphinium dangerous for cats too?

Yes. Cats are included among the animals for which Delphinium is listed as a problem, along with dogs.[2]

What signs may occur after eating Delphinium?

The listed signs include vomiting, lethargy and digestive issues.

Can touching Delphinium cause a problem?

Touching the plant can cause severe skin irritation.[2]

Sources

  1. Pet Poison Helpline
  2. NC State Extension Gardener Plant Toolbox

How this page was made: written with the help of AI from the sources below, then checked claim by claim against those sources. Urgency levels follow OkPaw’s fixed safety rules. It is guidance, not a diagnosis. How we write our pages

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