Yes, Ridderstjerne is toxic to dogs!
Dogs accidentally consuming the Ridderstjerne 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).
Ridderstjerne consumption is also toxic to Cats and Horses.
Toxic Principles Of Ridderstjerne: Lycorine and other alkaloids.
More Info About The Ridderstjerne Plant
Scientific Name: Hippeastrum spp.
Family: Amaryllidaceae.
Also known as: Amaryllis, Fire Lily, Lily of the Palace, Barbados Lily.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
