Giant Sword Fern — Tauʻolunga
Photo by TauʻolungaWikimedia CommonsCC BY-SA 3.0
Pet safety reference

Giant Sword Fern

Nephrolepis biserrata

The Bold Sword Fern is a popular, large-growing tropical fern known for its long, arching fronds and lush appearance. It is generally considered a safe choice for households with pets, though ingestion of any plant material can occasionally cause minor digestive discomfort.

Giant Sword FernNephrolepis biserrata
Light
Bright indirect light
Habit
Clumping, arching fronds
Care
Moderate

Safety status

Cats

Uncertain

Identity or evidence quality is not strong enough for a firm answer.

Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.

Dogs

Generally safe

Consulted references do not classify the plant as toxic for that pet type, while still allowing for mild GI upset if large amounts are chewed.

Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.

If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.

Catsconcern notes

Common signs

None typically reported, though ingestion of large amounts of fibrous plant material may cause mild vomiting or diarrhea.

Escalation note

While not listed as toxic, if your cat consumes a significant amount of the plant and shows signs of distress, contact your veterinarian.

Dogsconcern notes

Common signs

None typically reported, though ingestion of large amounts of fibrous plant material may cause mild vomiting or diarrhea.

Escalation note

ASPCA classifies this plant as non-toxic. If your dog experiences persistent gastrointestinal upset after ingestion, consult your veterinarian.

Safer alternatives

No hand-picked alternatives for this plant yet. You can still pick your own using the Compare button on any other plant.

Source evidence

ASPCA Toxic Plant List

veterinary · 99% reliability

Open source

The ASPCA lists Nephrolepis species as non-toxic to dogs.

NC State Extension Plant Toolbox

botanical · 94% reliability

Open source

Botanical profile of Nephrolepis biserrata confirming its identity and growth requirements.

cats safety pagedogs safety page

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Same safety verdict

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