Pet-Safe Fern Plants

Ferns give you that lush, soft green look, but "fern" on a plant tag doesn't mean safe. The popular asparagus fern isn't a true fern at all, and it's toxic to cats and dogs. Every fern here is listed as non-toxic to cats and dogs by the ASPCA.

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"Ferns" that aren't safe for pets

Asparagus fern, foxtail fern and Sprenger fern (all Asparagus densiflorus) and lace fern (Asparagus setaceus) are sold right next to true ferns, but they're asparagus relatives and are listed as toxic to cats and dogs by the ASPCA. Shopping somewhere else? Check the scientific name, not the tag. Not sure about a fern you already own? Look it up here.

Which fern is right for you?

FernDifficultyHumidity needsBest spot
Bird's nest fernEasyAverage is fineAny room, low to medium light
Lemon button fernEasyModerateDesks and small shelves
Emina (curly Boston) fernEasy to moderateModerateTabletops, bright indirect light
Button fernModerateModerateWindowsills
Staghorn fernModerateModerate to highMounted on a wall
Maidenhair fernTrickyHighBathrooms with a window

Have a dim room? Bird's nest fern is also one of our top pet-safe low light plants.

Fern questions

Are ferns safe for cats and dogs?

Most true ferns sold as houseplants, including Boston fern, bird's nest fern, maidenhair fern and staghorn fern, are listed as non-toxic to cats and dogs by the ASPCA. The big exception is the asparagus fern, which is not a true fern and is toxic to pets.

Is asparagus fern toxic to cats and dogs?

Yes. Asparagus fern (Asparagus densiflorus), including the foxtail and Sprenger types, is listed as toxic to cats and dogs by the ASPCA. It can cause stomach upset if eaten and skin irritation with repeated contact. It is a relative of asparagus, not a true fern.

What is the easiest fern to keep alive?

Bird's nest fern. Its thick, glossy fronds handle normal household humidity much better than lacy ferns, and it doesn't shed leaflets everywhere. Maidenhair fern is the hardest because it wilts quickly if it dries out.

Why are my fern's fronds turning brown and crispy?

Usually dry air or soil that dried out completely. Keep the soil lightly moist, move the fern away from heaters and vents, and raise humidity by grouping plants, using a pebble tray or running a humidifier.

Can I keep a fern in the bathroom?

Yes, a bathroom with a window is one of the best spots for a fern. Shower steam keeps the humidity up, which ferns love. A windowless bathroom is too dark unless you add a grow light.