Ferns, type by type.
Ferns have a fussy reputation - and some earn it - but plenty are genuinely tough, and almost all of the true ones are pet-safe. Here are 21 profiles sorted by how forgiving they are, from the button fern that shrugs off dry air to the maidenhair that demands humidity. Two 'ferns' here aren't ferns at all (they're asparagus, and toxic) - and they're honestly flagged.
🐾 Pet note: true ferns (Boston, button, holly, maidenhair and the rest) are non-toxic to cats and dogs - among the safest greenery you can keep. The asparagus fern and foxtail fern are NOT true ferns and ARE toxic (berries especially) - keep those away from pets, or skip them.
🌿 Easy, forgiving ferns Tolerant of ordinary rooms and the odd missed watering - the ferns that forgive.
💧 Humidity-loving ferns Lusher and prettier, but they want moist air - terrariums, bathrooms and humidifiers.
⚠️ "Ferns" that aren't (and aren't pet-safe) Sold as ferns but actually asparagus relatives - and toxic to pets.
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Love lush, leafy, pet-safe greenery?
Most ferns share a shade-and-moisture philosophy with the air-purifying and pet-safe collections. For a tougher, sculptural direction, the hoya catalog is another pet-safe rabbit hole.