Yes, Hosta is toxic to dogs!
Dogs accidentally consuming the Hosta 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).
Hosta consumption is also toxic to Cats and Horses.
Toxic Principles Of Hosta: Saponins.
More Info About The Hosta Plant
Scientific Name: Hosta plataginea
Family: Liliaceae.
Also known as: Plantain Lily, Funkia.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
