Yes, Sorrel is toxic to dogs!
Dogs accidentally consuming the Sorrel 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).
Sorrel consumption is also toxic to Cats and Horses.
Toxic Principles Of Sorrel: Soluble oxalates.
More Info About The Sorrel Plant
Scientific Name: Rumex scutatus
Family: Polygonaceae.
Also known as: Common Sorrel, Spinach-Dock, Narrow-leaved Dock, Garden sorrel.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
