Boston Fern: is it safe for cats and dogs?

Pet safety summary

ASPCA lists Boston Fern as non-toxic to cats and dogs. Non-toxic does not mean edible; chewing plant material can still cause mild stomach upset.

Confirm that the plant is a true Boston fern/Nephrolepis rather than a different plant sold with fern in the common name.

Cats

Cat conclusion: ASPCA Animal Poison Control lists Boston Fern as non-toxic to both cats and dogs. Pet-safe does not mean edible; chewing any plant material can still cause stomach upset.

Dogs

Dog conclusion: ASPCA Animal Poison Control lists Boston Fern as non-toxic to both cats and dogs. Pet-safe does not mean edible; chewing any plant material can still cause stomach upset.

What to watch for

Serious poisoning is not expected from this confirmed non-toxic plant, but vomiting or gastrointestinal upset can still occur after chewing plant material.

What to do if your pet ate it

Remove access to the plant and monitor your pet. If a large amount was eaten, your pet swallowed potting material, or symptoms develop, contact your veterinarian or a poison-control service.

Evidence and identity

Scientific name used on this page: Nephrolepis exaltata

Source scientific name: Nephrolepis exalta bostoniensis

Source notes: None listed by ASPCA

Source

ASPCA Animal Poison Control plant safety entry for Boston Fern

Source reviewed for Batch 30 on August 2, 2026.

Emergency contacts

ASPCA Animal Poison Control: (888) 426-4435

Pet Poison Helpline: (855) 764-7661

If your pet is having trouble breathing, collapsing, having seizures, or otherwise appears critically ill, seek emergency veterinary care immediately.