Welcome to Just Answer --
Thank you for asking ahead of time !! Great idea --
I will run a toxic plant search -- may take me a minute -- so bear with me --
Back with you --
Mondo grass can be irritating but is not toxic -- IN other words, if a dog were to eat a lot of this grass, then irriation of the mucous membranes of the mouth, vomiting, and irriated bowels might be seen .