Is Spanish Dagger Toxic to Cats?
Also known as: Moundlily Yucca, Needle Palm, Yucca gloriosa · Yucca gloriosa
What makes it toxic
Steroidal saponins throughout the leaves, flowers and root. They disrupt cell membranes in the gut lining, causing vomiting and diarrhea; the needle-tipped leaves add a scratch hazard.
Warning signs to watch for
Drooling, vomiting, diarrhea and abdominal discomfort within hours of chewing. Wounds from the leaf tips can look like small punctures on the muzzle or paws.
What to do if your cat eats it
Remove plant material, offer water and monitor. Call your vet if vomiting persists or if a leaf tip punctured the skin, since punctures can become infected.
Common questions
Is Spanish dagger the same as other yuccas?
It is one of several landscape yuccas, and all yucca species share the same saponin toxicity to pets.
Which is worse — the toxin or the spines?
Both matter. Saponins cause a day or two of gut upset, while the leaf tips cause puncture wounds that may need veterinary attention.
Is cooked yucca root safe for pets?
No. Edible yuca (cassava) is a different plant and still requires processing; Spanish dagger root is toxic raw or cooked.
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.