Is Dahlia Toxic to Dogs and Cats? (2026)

Dahlia species

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Mild
Mild
Varies

Quick facts

Toxic to dogsYes
Toxic to catsYes
Toxic to horsesYes
Toxic componentUnidentified mild irritants
Onset of symptomsWithin a few hours
Indoor / outdooroutdoor

If your pet ate this plant

Both lines are staffed 24/7. A consultation fee applies to each. Do not wait for symptoms to appear before calling.

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Symptoms in dogs

  • Vomiting
  • Diarrhea
  • Skin irritation from contact

Symptoms in cats

  • Vomiting
  • Diarrhea
  • Skin irritation from contact

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What to do

Usually resolves with monitoring.

Toxic component and mechanism

The toxic component in Dahlia is unidentified mild irritants.

What makes this plant different

Dahlia tubers were historically investigated as a food source (they're edible when properly prepared) which somewhat limits how concerning ordinary garden exposure is — the mild toxicity here is more of a 'why risk it' caution than a serious hazard.

Plant identification

Scientific name
Dahlia species
Family
Compositae
Also known as
Dahlia, Many varieties
Typically found
outdoor

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The information on this page is for general informational purposes only and is not a substitute for professional veterinary advice. Plant toxicity data is sourced from the ASPCA Toxic and Non-Toxic Plants database. If you believe your pet has ingested a toxic plant, contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435) immediately. Do not wait for symptoms to appear.

Last verified: July 2, 2026 · Cross-referenced with ASPCA Animal Poison Control