Wahoo — no rights reserved, uploaded by Rod
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Pet safety reference

Wahoo

Euonymus occidentalis

Euonymus occidentalis, commonly known as the Western burning bush or Wahoo, is a deciduous shrub containing cardiac glycosides that are harmful if ingested. It is best kept out of reach of all household pets.

Euonymus occidentalisWahooWestern burning bush
Light
Partial shade to full sun
Habit
Deciduous shrub
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

Vomiting, diarrhea, lethargy, and potential cardiac irregularities.

Escalation note

Ingestion can lead to significant gastrointestinal distress and systemic effects. Please contact your veterinarian or an animal poison control center immediately if ingestion is suspected.

Dogsconcern notes

Common signs

Vomiting, diarrhea, abdominal pain, and potential heart rate changes.

Escalation note

The plant contains compounds that may affect heart function and digestion. Seek veterinary attention promptly if your dog has consumed any part of this plant.

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

Wahoo is listed as toxic to both cats and dogs due to the presence of cardiac glycosides.

Kew Plants of the World Online

botanical · 95% reliability

Open source

Accepted botanical name and distribution data for Euonymus occidentalis.

cats safety pageMy cat ate Wahoodogs safety pageMy dog ate Wahoo

Questions about Wahoo

Is Wahoo (Euonymus occidentalis) toxic to cats?

Yes, Wahoo is toxic to cats. The plant contains cardiac glycosides that can cause gastrointestinal distress and systemic effects, including potential heart-rhythm abnormalities if enough is ingested.

What symptoms will my cat show after eating Wahoo?

The ASPCA lists vomiting, diarrhea, abdominal pain, and weakness as expected symptoms. With larger doses, heart-rhythm abnormalities can occur — watch for lethargy, reluctance to move, pale gums, or a rapid or irregular pulse as signs of possible cardiac involvement.

What should I do if my cat ate part of a Wahoo plant?

Call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 right away — don't wait for symptoms to appear, as earlier intervention is better with cardiac glycoside-containing plants. Treat weakness, an unusual heart rate, or repeated vomiting as urgent.

Which part of the Wahoo plant is poisonous to cats?

The classification data does not specify which part of Euonymus occidentalis is most concentrated in cardiac glycosides, so the safest approach is to treat the entire plant — leaves, stems, bark, and berries — as a hazard and keep cats away from it entirely.

What should I do if my dog ate part of a wahoo plant?

Call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 right away — do not wait for symptoms to appear. Any sign of weakness, irregular or rapid heartbeat, or persistent vomiting warrants immediate veterinary care.

How long after eating wahoo will a dog start showing symptoms?

Exact onset and duration are not well documented in the ASPCA listing for this plant. Because cardiac glycoside poisoning can escalate quickly, treat any suspected ingestion as urgent and contact a vet without waiting to see whether symptoms develop.

Is wahoo (Euonymus occidentalis) toxic to dogs?

Yes, wahoo is toxic to dogs. The plant contains cardiac glycosides that can harm both the digestive system and heart function if ingested, and it should be kept out of reach of dogs entirely.

What symptoms will a dog show after eating wahoo?

The ASPCA lists vomiting, diarrhea, abdominal pain, and weakness as the primary signs. With larger doses, heart-rhythm abnormalities are possible — watch for collapse, pale gums, weakness that doesn't improve, or labored breathing.

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