Plant safety record
Macho Fern
Nephrolepis biserrata
Macho Fern, Nephrolepis biserrata, is classified as non-toxic to cats and dogs within this exact species scope.

Cats
NON-TOXIC
Macho Fern is classified as non-toxic within this exact governed scope.
Dogs
NON-TOXIC
Macho Fern is classified as non-toxic within this exact governed scope.
Quick answer
A correctly identified Macho Fern is not expected to poison a cat or dog, though chewing fern material can still cause nonspecific stomach upset.
Plant identity
Governed scientific identity: Nephrolepis biserrata
Also called: Roosevelt Fern, Bold Sword Fern, Tall Feather Fern
Macho Fern is Nephrolepis biserrata. The governed image depicts the 'Macho' horticultural form, while ASPCA safety evidence remains species-level. It is not Boston Fern, Nephrolepis exaltata.
Safety for cats and dogs
The exact ASPCA-listed species is non-toxic; any plant material can still cause nonspecific stomach upset.
If your pet chewed it
Remove access after chewing and monitor for persistent symptoms.
Prevention and placement
Keep fronds, potting media, and fallen plant material out of repeated pet-chewing reach.
Evidence scope
Do not apply this conclusion to generic Sword Fern, Boston Fern, Kimberly Queen Fern, or other Nephrolepis identities.
Evidence and sources
- ASPCA — Macho FernClassification for the governed identity or scope.
- Wikimedia Commons — Nephrolepis biserrata Macho 1zz.jpgImage source, creator, license, and representation provenance.
