Is Foxtail Fern Toxic to Cats?
Also known as: Myers Fern, Myersii Foxtail Fern, Asparagus Fern · Asparagus densiflorus
What makes it toxic
Steroidal sapogenins throughout the foliage. Repeated skin contact with the sap or berries also causes allergic dermatitis.
Warning signs to watch for
Vomiting, diarrhea and drooling after eating the fronds; red, itchy skin where the dog or cat brushed the plant repeatedly.
What to do if your cat eats it
Remove access, offer water and monitor. Call your vet if vomiting continues, and bathe irritated skin; keep pruned fronds and berries off the floor.
Common questions
Is foxtail fern a true fern?
No. It is Asparagus densiflorus, a relative of edible asparagus — which is why it is toxic, unlike true pet-safe ferns such as the Boston fern.
Are the red berries the worst part?
The berries carry sapogenins too and are easily batted around. Sweeping up fallen berries is one of the best preventions.
Is the spiky foliage dangerous physically?
The needles are soft, not sharp. The risk is chemical — sapogenins — not injury.
More plants checked for cats
This page is general educational information, not a substitute for professional veterinary advice. Every pet is different — if your animal ate something concerning, contact your veterinarian or a pet poison hotline right away. Checking what your pet can eat? Visit our sister site SafeOrToxic.