Is Spearmint 'Kentucky Colonel' toxic to dogs?

Yes — spearmint 'kentucky colonel' is toxic to dogs according to the ASPCA. Keep it well away from any dog that chews plants; reactions can be significant. The ASPCA lists Mint (Mentha sp.) as toxic to cats, dogs, and horses; the toxic principle is essential oils, and large ingestions cause vomiting and diarrhea. Despite being a culinary herb, the Mentha genus is genus-listed as toxic, so keep pets from grazing it and never apply mint essential oil near cats.

The ASPCA lists Mint (Mentha sp.) as toxic to cats, dogs, and horses; the toxic principle is essential oils, and large ingestions cause vomiting and diarrhea. Despite being a culinary herb, the Mentha genus is genus-listed as toxic, so keep pets from grazing it and never apply mint essential oil near cats. Signs usually appear soon after chewing rather than hours later — watch for drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy after your dog has had access to spearmint 'kentucky colonel'.

Stay calm. Remove any plant from your dog's mouth and take the plant away. Note how much was eaten and when, and do not induce vomiting unless told to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice; a leaf or photo helps the vet treat it correctly.

The ASPCA classification Growli uses applies to both cats and dogs: Spearmint 'Kentucky Colonel' is toxic to cats as well. See the full spearmint 'kentucky colonel' pet-safety guide for both species.

For a similar look without the risk, see the best dogs-safe plants list — every plant there is ASPCA non-toxic to cats and dogs.