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Is Autumn Fern 'Brilliance' toxic to cats?

Dryopteris erythrosora 'Brilliance'

Mildly toxic to cats

Mildly. The ASPCA lists autumn fern 'brilliance' 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. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Dryopteris is not on the ASPCA non-toxic list, and the genus contains filicic acid (filixic acid / filicin) and thiaminase in its rhizomes, compounds documented to cause poisoning in grazing livestock. It is not individually evaluated by the ASPCA for cats and dogs; treat as mildly toxic, keep pets from chewing it, and verify with a vet if ingestion is suspected.

What to do if your cat ate autumn fern 'brilliance'

  1. Remove any plant material from your cat's mouth and move autumn fern 'brilliance' out of reach.
  2. Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
  3. Do not induce vomiting unless a vet or poison-control specialist instructs you to.
  4. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice.
  5. Bring a leaf or photo of autumn fern 'brilliance' to the appointment so it can be treated correctly.

General guidance, not veterinary advice. If you think your cat has eaten autumn fern 'brilliance', contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.

Is autumn fern 'brilliance' toxic to cats? — FAQ

Is autumn fern 'brilliance' toxic to cats?

Mildly. The ASPCA lists autumn fern 'brilliance' 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. Dryopteris is not on the ASPCA non-toxic list, and the genus contains filicic acid (filixic acid / filicin) and thiaminase in its rhizomes, compounds documented to cause poisoning in grazing livestock. It is not individually evaluated by the ASPCA for cats and dogs; treat as mildly toxic, keep pets from chewing it, and verify with a vet if ingestion is suspected.

What are the symptoms if a cat eats autumn fern 'brilliance'?

Dryopteris is not on the ASPCA non-toxic list, and the genus contains filicic acid (filixic acid / filicin) and thiaminase in its rhizomes, compounds documented to cause poisoning in grazing livestock. It is not individually evaluated by the ASPCA for cats and dogs; treat as mildly toxic, keep pets from chewing it, and verify with a vet if ingestion is suspected. 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 autumn fern 'brilliance'.

What should I do if my cat ate autumn fern 'brilliance'?

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.

Is autumn fern 'brilliance' toxic to dogs too?

The ASPCA classification Growli uses applies to both cats and dogs: Autumn Fern 'Brilliance' is mildly toxic to dogs as well. See the full autumn fern 'brilliance' pet-safety guide for both species.

What is a cat-safe alternative to autumn fern 'brilliance'?

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.

Full autumn fern 'brilliance' pet-safety