All plants › Cats › Leopard Lily

Is Leopard Lily Toxic to Cats?

☠️ ToxicSeverity: Severe
✅ Cross-checked against veterinary poison-control guidance · Oct 2026 audit
⚠️ Educational info only. If your pet just chewed something and looks unwell, skip the reading and call your vet or Pet Poison Helpline (US): (855) 764-7661.
Yes — if your leopard lily is a true lily (Lilium pardalinum), it can cause fatal kidney failure in cats. Even pollen is dangerous, so treat any exposure as an emergency.

Also known as: Panther Lily, Tiger Lily, Lilium Pardalinum · Lilium pardalinum

What makes it toxic

An unidentified nephrotoxin present in all tissues of true lilies (genus Lilium). Tiny amounts — a leaf bite, groomed pollen or vase water — can shut down a cat’s kidneys.

Warning signs to watch for

Drooling, vomiting, loss of appetite and depression within 2–6 hours, progressing over 12–72 hours to increased thirst, dehydration, tremors and kidney failure.

What to do if your cat eats it

Emergency. Go to a vet or animal ER immediately even if the cat looks fine — aggressive IV fluids started early can prevent kidney failure. Do not wait for symptoms to appear.

Common questions

Is my leopard lily a true lily?

It may not be — the name is also used for a spotted dumb cane (Dieffenbachia) and other plants. But if it is Lilium pardalinum, it is deadly to cats, so identify it before it enters a cat home.

How little true lily harms a cat?

Staggeringly little — pollen groomed off fur, one leaf bite or vase water has caused fatal kidney failure.

What if it turned out to be the Dieffenbachia version?

That plant causes painful mouth irritation rather than kidney failure — serious but far more survivable. A vet call sorts out the exposure either way.

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.