Yes, Good Luck Plant is toxic to dogs!
Dogs accidentally consuming the Good Luck Plant 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).
Good Luck Plant consumption is also toxic to Cats and Horses.
Toxic Principles Of Good Luck Plant: Soluble calcium oxylates.
More Info About The Good Luck Plant Plant
Scientific Name: Oxalis spp.
Family: .
Also known as: Shamrock Plant, Sorrel.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.