Pet safety
Is Red Shiso toxic to dogs?
Perilla frutescens var. crispa 'Atropurpurea'
Yes — red shiso is toxic to dogs according to the ASPCA. Keep it well away from any dog that chews plants; reactions can be significant. This classification follows the ASPCA Toxic and Non-Toxic Plant List. ASPCA-listed as toxic to dogs, cats, and horses (entry: Perilla mint, Perilla frutescens). Toxic principles are essential oils, including perilla ketone. Large ingestions cause vomiting and diarrhoea in dogs and cats; the perilla ketones cause severe respiratory disease (atypical interstitial pneumonia) in horses and ruminants, so keep pets and livestock away.
What to do if your dog ate red shiso
- Remove any plant material from your dog's mouth and move red shiso out of reach.
- Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
- Do not induce vomiting unless a vet or poison-control specialist instructs you to.
- Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice.
- Bring a leaf or photo of red shiso to the appointment so it can be treated correctly.
General guidance, not veterinary advice. If you think your dog has eaten red shiso, contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.
Is red shiso toxic to dogs? — FAQ
Is red shiso toxic to dogs?
Yes — red shiso is toxic to dogs according to the ASPCA. Keep it well away from any dog that chews plants; reactions can be significant. ASPCA-listed as toxic to dogs, cats, and horses (entry: Perilla mint, Perilla frutescens). Toxic principles are essential oils, including perilla ketone. Large ingestions cause vomiting and diarrhoea in dogs and cats; the perilla ketones cause severe respiratory disease (atypical interstitial pneumonia) in horses and ruminants, so keep pets and livestock away.
What are the symptoms if a dog eats red shiso?
ASPCA-listed as toxic to dogs, cats, and horses (entry: Perilla mint, Perilla frutescens). Toxic principles are essential oils, including perilla ketone. Large ingestions cause vomiting and diarrhoea in dogs and cats; the perilla ketones cause severe respiratory disease (atypical interstitial pneumonia) in horses and ruminants, so keep pets and livestock away. 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 red shiso.
What should I do if my dog ate red shiso?
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.
Is red shiso toxic to cats too?
The ASPCA classification Growli uses applies to both cats and dogs: Red Shiso is toxic to cats as well. See the full red shiso pet-safety guide for both species.
What is a dog-safe alternative to red shiso?
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.
Full red shiso pet-safety
- Is red shiso toxic to cats and dogs? — the full guide for both pets
- Is red shiso toxic to cats?
- My dog ate red shiso — emergency steps
- Best dogs-safe plants — the full ASPCA non-toxic list
- Complete red shiso care guide