Dahlia — (c) Roberto Rodriguez, some rights reserved (CC BY), uploaded by Roberto Rodriguez
Photo by (c) Roberto Rodriguez, some rights reserved (CC BY), uploaded by Roberto RodrigueziNaturalistCC BY
Pet safety reference

Dahlia

Dahlia species

Dahlias are popular tuberous perennials known for their diverse, showy blooms. While they are a staple in gardens, they contain compounds that can cause mild gastrointestinal or dermatological irritation if ingested or handled by pets.

DahliaDahlia speciesGarden Dahlia
Light
Full sun
Habit
Tuberous perennial
Care
Moderate

Safety status

Cats & Dogs

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.

If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.

Catsconcern notes

Common signs

Gastrointestinal upset including vomiting and diarrhea, or skin irritation upon contact.

Escalation note

Symptoms are generally mild, but you should contact your veterinarian if your cat shows signs of persistent discomfort or digestive distress.

Dogsconcern notes

Common signs

Mild gastrointestinal upset such as vomiting or diarrhea, and potential dermatitis if the skin is exposed to the plant sap.

Escalation note

While typically mild, ingestion of large quantities can lead to more significant irritation; consult your veterinarian if symptoms persist.

Safer alternatives

No hand-picked alternatives for this plant yet. You can still pick your own using the Compare button on any other plant.

Source evidence

ASPCA Toxic Plant List

toxicology · 99% reliability

Open source

Dahlia is listed as toxic to both cats and dogs, causing gastrointestinal signs and dermatitis.

NC State Extension Plant Toolbox

botanical · 94% reliability

Open source

Provides comprehensive botanical information on the Dahlia genus, noting its status as a popular garden perennial.

cats safety pageMy cat ate Dahliadogs safety pageMy dog ate Dahlia

Questions about Dahlia

Are dahlias toxic to cats?

Yes, dahlias are considered potentially toxic to cats. They contain compounds that can cause mild gastrointestinal upset or skin irritation if ingested or touched.

What symptoms will my cat show after eating a dahlia?

After chewing or ingesting a dahlia, your cat may vomit, have diarrhea, drool, or show a brief drop in appetite. Cats that come into contact with the sap may also develop localized skin irritation or a transient rash where the plant touched their skin.

What should I do if my cat ate a dahlia?

Monitor your cat closely for vomiting, diarrhea, or skin irritation — most cases are mild and resolve within roughly 24 hours. Call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 if vomiting continues past a few episodes, your cat refuses food for more than a few hours, or any skin irritation becomes raw, swollen, or develops hives.

How serious is dahlia poisoning in cats?

Dahlia toxicity in cats is generally mild. Symptoms like vomiting, diarrhea, and skin irritation are the typical extent of the reaction, and veterinary references describe these signs as usually resolving within about 24 hours with supportive care. Contact your vet if symptoms persist or worsen.

Are dahlias toxic to dogs?

Yes, dahlias are considered potentially toxic to dogs. They contain compounds that can cause mild gastrointestinal upset or skin irritation, though serious poisoning is uncommon.

What symptoms will my dog show after eating a dahlia?

The most common signs are vomiting, loose stool, drooling, and a temporary drop in appetite. Dogs that brush against the plant may also develop patchy skin irritation around the muzzle, paws, or belly from contact with the sap.

What should I do if my dog ate a dahlia?

Monitor your dog closely for vomiting, diarrhea, or skin irritation. Call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 if vomiting continues past several episodes, your dog stops eating or drinking, or any skin irritation becomes raw or spreads.

How long do dahlia poisoning symptoms last in dogs?

Veterinary references generally describe mild gastrointestinal signs that resolve within about 24 hours. The ASPCA does not document a specific onset or duration, so contact your vet if symptoms persist beyond that window or worsen.

Same safety verdict

Other plants with the same verdict