All plants › Cats › Carolina Jessamine

Is Carolina Jessamine 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, Carolina jessamine is severely toxic to cats. Its alkaloids depress the nervous system and can cause respiratory failure.

Also known as: Yellow Jessamine, Evening Trumpetflower · Gelsemium sempervirens

What makes it toxic

Gelsemine and related alkaloids in all parts of the vine, including the nectar. They disrupt nerve signaling and can paralyze breathing muscles.

Warning signs to watch for

Drooling, vomiting, weakness, wobbliness and dilated pupils within one to two hours, progressing to tremors, seizures and difficulty breathing.

What to do if your cat eats it

Treat any chewing as an emergency. Go to an emergency veterinary clinic immediately, bringing a piece of the vine for identification.

Common questions

Is the nectar or the flowers the dangerous part?

The entire plant is toxic, including flowers, nectar, leaves and stems. Even honey made from the nectar has sickened humans.

Can a cat recover from Carolina jessamine poisoning?

With immediate intensive care, some animals recover, but untreated poisoning can end in respiratory failure. Speed of treatment decides the outcome.

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.