Yes, Pieris is toxic to dogs!
Dogs accidentally consuming the Pieris 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).
Pieris consumption is also toxic to Cats.
Toxic Principles Of Pieris: Grayanotoxins.
More Info About The Pieris Plant
Scientific Name: Pieris japonica
Family: Ericaceae.
Also known as: Lily-of-the-Valley Bush, Andromeda Japonica, Fetterbush.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
