Yes, Seven Bark is toxic to dogs!
Dogs accidentally consuming the Seven Bark plants can show the following clinical symptoms: Vomiting, Prolonged Depression, Incoordination, Hypersalivaton, Sleepiness Or Excitation, Dilated Pupils, Low Body Temperature, Low Blood Pressure, Coma, Seizure And Death (In Rare Cases).
Seven Bark consumption is also toxic to Cats and Horses.
Toxic Principles Of Seven Bark: Cyanogenic glycoside.
More Info About The Seven Bark Plant
Scientific Name: Hydrangea arborescens
Family: Hydrangeaceae.
Also known as: Hydrangea, Hortensia, Hills of Snow.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
