PupkeeperCaution
Is lemongrass (serai) toxic to dogs?
Mildly toxic. Lemongrass (serai) usually causes only stomach upset in dogs that chew or eat it.
What to do now
- Take any plant pieces away and rinse your dog's mouth with water.
- Watch for vomiting or stomach upset.
- Call your vet if vomiting continues or your dog seems unwell.
Don't
- Don't let your dog lick concentrated lemongrass oil; see Essential Oils.
Signs to watch for
- Stomach upset
- Vomiting
Why
Lemongrass contains essential oils and cyanogenic glycosides. In dogs, the ASPCA lists stomach upset as the sign to expect.
Sources
- ASPCA Animal Poison Control: Lemon Grass
- ASPCA Animal Poison Control: Toxic and Non-Toxic Plants List
Guide reviewed 9 October 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.