Pet safety
Is Hazel 'Red Filbert'toxic to cats & dogs?
Corylus avellana 'Purpurea'
Quick verdict — at a glance
- Toxic to cats?
- Yes — mildly
- Toxic to dogs?
- Yes — mildly
- ASPCA classification
- Mildly toxic to pets · botanical name Corylus avellana 'Purpurea'
Is hazel 'red filbert' safe for cats and dogs?
Not entirely — hazel 'red filbert' is mildly toxic to cats and dogs. It rarely causes serious harm, but chewing it triggers real discomfort, so keep it out of a pet's reach. This classification follows the ASPCA Toxic and Non-Toxic Plant List, the most widely used reference for companion-animal plant safety in the US and the standard most UK vets cite as well. Not individually listed by the ASPCA, and the genus Corylus (hazel) does not appear on its toxic or non-toxic lists; treat as uncertain and verify with a vet. Hazelnuts are a human food, but ASPCA pet-safety status is unconfirmed, so it should not be asserted as pet-safe.
| Pet | Toxic? | Per ASPCA |
|---|---|---|
| Cats | Yes (mild) | Mildly toxic to pets |
| Dogs | Yes (mild) | Mildly toxic to pets |
What happens if a pet eats hazel 'red filbert'?
Not individually listed by the ASPCA, and the genus Corylus (hazel) does not appear on its toxic or non-toxic lists; treat as uncertain and verify with a vet. Hazelnuts are a human food, but ASPCA pet-safety status is unconfirmed, so it should not be asserted as pet-safe. Signs usually appear soon after chewing rather than hours later. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to hazel 'red filbert', treat it as a suspected ingestion and act on the steps below.
What to do if your pet ate hazel 'red filbert'
- Remove any plant material from your pet's mouth and move hazel 'red filbert' 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 hazel 'red filbert' to the appointment so it can be treated correctly.
This page is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide rather than the plant. If you are worried, always contact a vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.
Pet-safe alternatives to hazel 'red filbert'
Want the same look without the risk? These plants are listed as non-toxic to cats and dogs by the ASPCA and have similar care needs:
- Cucumber — non-toxic to cats and dogs (care guide)
- Lettuce — non-toxic to cats and dogs (care guide)
- Bean — non-toxic to cats and dogs (care guide)
- Pea — non-toxic to cats and dogs (care guide)
Hazel 'Red Filbert' and pets — frequently asked questions
Is hazel 'red filbert' toxic to cats?
Hazel 'Red Filbert' (Corylus avellana 'Purpurea') is mildly toxic to cats according to the ASPCA. Not individually listed by the ASPCA, and the genus Corylus (hazel) does not appear on its toxic or non-toxic lists; treat as uncertain and verify with a vet. Hazelnuts are a human food, but ASPCA pet-safety status is unconfirmed, so it should not be asserted as pet-safe. Keep it out of reach and contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 if your cat chews it.
Is hazel 'red filbert' toxic to dogs?
Per the ASPCA, Hazel 'Red Filbert' (Corylus avellana 'Purpurea') is mildly toxic to dogs. Dogs often chew more enthusiastically than cats, so a toxic plant like hazel 'red filbert' is best removed from the floor and low shelves entirely.
What happens if my pet eats hazel 'red filbert'?
Not individually listed by the ASPCA, and the genus Corylus (hazel) does not appear on its toxic or non-toxic lists; treat as uncertain and verify with a vet. Hazelnuts are a human food, but ASPCA pet-safety status is unconfirmed, so it should not be asserted as pet-safe. Signs usually appear soon after chewing rather than hours later. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to hazel 'red filbert', treat it as a suspected ingestion and act on the steps below.
What should I do if my cat or dog ate hazel 'red filbert'?
Stay calm. Remove any remaining plant material from your pet's mouth and take the plant away so they cannot eat more. Note roughly how much was eaten and when. Do not make your pet vomit unless a vet or poison-control specialist tells you to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 (a consultation fee may apply) and follow their advice. Bringing a photo or a leaf of hazel 'red filbert' to the appointment helps the vet treat it correctly.
What are pet-safe alternatives to hazel 'red filbert'?
If you want a similar look without the risk, good non-toxic swaps include cucumber, lettuce, bean, pea. All of these are listed as non-toxic to cats and dogs by the ASPCA, so they suit a home where pets have access to your plants.
Full hazel 'red filbert' care
Pet-safety is one piece of the picture. For light, watering, soil, and troubleshooting, see the complete hazel 'red filbert' care guide, or browse the full pet-safe plant library to check another plant before you buy it.