Is Nepeta sibirica 'Souvenir d'André Chaudron' toxic to cats?

Mildly. The ASPCA lists nepeta sibirica 'souvenir d'andré chaudron' as mildly toxic to cats — a chewing cat typically gets mouth irritation, drooling, and vomiting rather than a medical emergency, but it is still best kept out of reach. The ASPCA lists Catnip (Nepeta cataria), the genus type species, as toxic to cats, with nepetalactone causing vomiting, diarrhoea and either sedation or stimulation. As a Nepeta, 'Souvenir d'André Chaudron' should be treated the same; verify any specific concern with a vet. Cats are typically attracted to it and only mildly affected.

The ASPCA lists Catnip (Nepeta cataria), the genus type species, as toxic to cats, with nepetalactone causing vomiting, diarrhoea and either sedation or stimulation. As a Nepeta, 'Souvenir d'André Chaudron' should be treated the same; verify any specific concern with a vet. Cats are typically attracted to it and only mildly affected. 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 cat has had access to nepeta sibirica 'souvenir d'andré chaudron'.

Stay calm. Remove any plant from your cat'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: Nepeta sibirica 'Souvenir d'André Chaudron' is mildly toxic to dogs as well. See the full nepeta sibirica 'souvenir d'andré chaudron' pet-safety guide for both species.

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