Yes, Garden Chamomile is toxic to dogs!
Dogs accidentally consuming the Garden Chamomile 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).
Garden Chamomile consumption is also toxic to Cats and Horses.
Toxic Principles Of Garden Chamomile: Volatile oil; bisabolol, chamazulene, anthemic acid, tannic acid.
More Info About The Garden Chamomile Plant
Scientific Name: Anthemis nobilis
Family: Asteraceae.
Also known as: Chamomile, Ground Apple, Roman Chamomile.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.