Yes, Ribbon Plant is toxic to dogs!
Dogs accidentally consuming the Ribbon 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).
Ribbon Plant consumption is also toxic to Cats.
Toxic Principles Of Ribbon Plant: Saponins.
More Info About The Ribbon Plant Plant
Scientific Name: Dracaena spp.
Family: Agavaceae.
Also known as: Corn Plant, Cornstalk Plant, Dracaena, Dragon Tree.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.