Is Wormwood & tarragon poisonous to dogs and cats?

Updated 2026-09-30 · 1 sources

Based on: NC State Extension Gardener Plant Toolbox

Call a vet today

Wormwood & tarragon are poisonous to dogs and cats – call your vet today for advice if your pet has eaten any of them. The listed poisonous parts include the bark, flowers, fruits, leaves, roots, seeds and stems.

  • Dogs Call a vet today
  • Cats Call a vet today

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

The NC State Extension Gardener Plant Toolbox lists this plant as a problem for cats and dogs and lists vomiting, excess saliva, diarrhoea, poor coordination, dilated pupils, low blood pressure, low body temperature, sleepiness or excitement, and coma among the poisoning signs.[1]

Signs to watch for

  • Vomiting
  • Extra saliva
  • Diarrhea
  • Poor coordination
  • Enlarged pupils
  • Low blood pressure or low body temperature
  • Sleepiness or excitement
  • Coma
Scientific name
Artemisia
Poisonous parts
bark, flowers, fruits, leaves, roots, seeds, stems
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.

Get it on Google Play

OkPaw is on Android now – an iPhone version is on its way.

Common questions

Is Wormwood & tarragon dangerous for cats too?

Yes. The plant is listed as a problem for cats as well as dogs.[1]

What signs are listed after exposure?

The listed signs include vomiting, extra saliva, diarrhea, poor coordination, enlarged pupils, low blood pressure, low body temperature, sleepiness or excitement, and coma.[1]

Sources

  1. 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

Other poisonous plants