Poisonous to: Cats, Dogs
Level of toxicity: Generally moderate to severe
Common signs to watch for:
- Abnormal heart rhythms
Japonica, Bog Rosemary and Pieris species contain grayanotoxins (formally called andromedotoxin). Like the Rhododendrons (same family), ingestion of these plants cause a disruption in sodium channels affecting the cardiac and skeletal muscle. Clinical signs of excessive drooling, depression, weakness, vomiting, diarrhea, heart arrhythmias, hypotension (drop in blood pressure), and death can occur when ingested by dogs and cats.
Poison type: Plants
Alternate names: Japonica, Bog Rosemary, Pieris, Pieris japonica