Cats & Dogs
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources

Kalmia angustifolia
Lambkill is a flowering evergreen shrub in the heath family known for containing grayanotoxins. Ingestion of any part of the plant can cause significant health issues in pets.
Safety status
Cats & Dogs
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources
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.
Cats — concern notes
Common signs
Drooling, vomiting, diarrhea, loss of appetite, abdominal pain, tremors, and potential cardiac arrhythmias.
Escalation note
This plant is highly toxic. If ingestion is suspected, contact your veterinarian or an animal poison control center immediately.
Dogs — concern notes
Common signs
Excessive salivation, vomiting, diarrhea, weakness, difficulty breathing, and potential heart rate irregularities.
Escalation note
Ingestion can lead to severe systemic poisoning. Seek emergency veterinary care 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.
ASPCA Toxic Plant List
toxicology · 99% reliability
Lambkill (Kalmia angustifolia) is listed as toxic to both cats and dogs due to grayanotoxins.
NC State Extension Plant Toolbox
botanical · 94% reliability
Kalmia angustifolia is a native evergreen shrub that is poisonous to livestock and pets if ingested.
Often compared with
Same safety verdict

Azaleas are flowering shrubs in the Rhododendron genus that contain grayanotoxins, which can cause significant illness if ingested by pets. These plants are highly toxic and require immediate veterinary attention if consumption is suspected.
Potentially toxic for cats & dogs.

Barbados Pride is a flowering shrub known for its striking yellow flowers and long red stamens. It contains compounds that can cause gastrointestinal distress if ingested by pets.
Potentially toxic for cats & dogs.

Boxwood is a popular evergreen shrub often used for hedging and topiary, containing steroidal alkaloids that can cause gastrointestinal distress if ingested. It is considered toxic to both cats and dogs.
Potentially toxic for cats & dogs.

The African Wonder Tree is a fast-growing ornamental shrub known for its large, palm-like leaves and unique seed pods. It contains ricin, a highly potent toxin found throughout the plant, with the highest concentration in the seeds.
Potentially toxic for cats & dogs.