Risks
- All parts of the hydrangea, including the leaves, buds, stems, and flowers, produce cyanogenic glycosides, which can cause poisoning in dogs. Toxicity typically manifests only if ingested in large amounts.
- Common symptoms of hydrangea poisoning in canines include lack of energy, vomiting, and diarrhea. Severe toxicity may lead to breathing difficulties, heartbeat abnormalities, and seizures.
- All species of hydrangea plants are considered poisonous to dogs.
