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Is Wintercreeper Toxic to Cats?

☠️ ToxicSeverity: Moderate
✅ 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, wintercreeper is toxic to cats. This ground-cover euonymus contains alkaloids and cardenolide-like compounds in its leaves, stems and berries.

Also known as: Climbing Euonymus, Fortune’s Spindle · Euonymus fortunei

What makes it toxic

Alkaloids and cardenolide-like glycosides throughout the vine, concentrated in seeds and bark, which irritate the gut and can disturb heart rhythm in quantity.

Warning signs to watch for

Drooling, vomiting, diarrhea and weakness within hours. Larger ingestions may add tremors and an irregular heartbeat.

What to do if your cat eats it

Remove plant material and offer water. Call your vet the same day for confirmed chewing; irregular heartbeat or collapse means emergency care.

Common questions

Is wintercreeper as toxic as other euonymus plants?

Yes, it belongs to the same genus and shares the same compounds as spindle tree and burning bush.

My cat walks through wintercreeper ground cover daily — should I worry?

Walking through is harmless; the risk comes from chewing leaves or berries. If your cat never chews it, exposure risk stays low.

More plants checked for cats

Pothos☠️ ToxicYes, pothos is toxic to cats. Chewing the leaves or vines releases sharp calcium oxalate crystalAloe Vera⚠️ Mildly ToxicAloe vera is mildly to moderately toxic to cats. The gel is famously soothing for human skin, buSpider Plant✅ Non-ToxicNo, spider plants are non-toxic to cats. They are one of the best houseplants for homes with curEaster Lily☠️ ToxicYes — and this is one of the most dangerous plants a cat can meet. Every part of an Easter lily,Sago Palm☠️ ToxicYes — sago palm is severely toxic to cats and among the deadliest houseplants. Every part contaiBoston Fern✅ Non-ToxicNo, Boston ferns are non-toxic to cats — a classic choice for plant-loving cat households.

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.