Yes, Apple is toxic to dogs!
Dogs accidentally consuming the Apple 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).
Apple consumption is also toxic to Cats and Horses.
Toxic Principles Of Apple: Cyanogenic glycosides.
More Info About The Apple Plant
Scientific Name: Malus sylvestrus
Family: Rosaceae.
Also known as: Includes crabapples.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
