Seven Bark

Also known as: Hydrangea, Hortensia, Hills of Snow

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Clinical Signs: Vomiting, depression, diarrhea. Cyanide intoxication is rare - usually produces more of a gastrointestinal disturbance.
Family: Hydrangeaceae
Scientific Name: Hydrangea arborescens
Toxic Principles: Cyanogenic glycoside

Source: ASPCA Toxic and Non-Toxic Plants list (dogs), scraped 2026-07-14 from https://www.aspca.org/pet-care/animal-poison-control/dogs-plant-list · view original