Yes, Marjoram is toxic to dogs!
Dogs accidentally consuming the Marjoram 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).
Marjoram consumption is also toxic to Cats.
Toxic Principles Of Marjoram: Gastrointestinal irritants.
More Info About The Marjoram Plant
Scientific Name: Origanum majorana
Family: Lamiaceae.
Also known as: Knotted Marjoram, Pot Marjoram.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
