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Is Arrowhead Plant Toxic to Dogs?

☠️ ToxicSeverity: Mild
✅ 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, arrowhead plant is toxic to dogs. Chewing the vines or leaves embeds sharp oxalate crystals in the mouth and gut.

Also known as: Syngonium, Arrowhead Vine, Goosefoot Plant · Syngonium podophyllum

What makes it toxic

Insoluble calcium oxalate crystals concentrated in the sap and tissue, which pierce the lining of the mouth, tongue and stomach.

Warning signs to watch for

Drooling, lip smacking, head shaking, vomiting, pawing at the mouth and reduced appetite within minutes of chewing.

What to do if your dog eats it

Flush the mouth with water, remove plant material and offer fresh water. Call your vet if signs persist for more than a few hours or the dog cannot settle.

Common questions

My puppy chewed an arrowhead vine — what should I watch for?

Expect drooling and some vomiting that fades in a few hours. Call the vet if vomiting repeats, the puppy refuses food into the next day, or the tongue looks swollen.

Is the pink-leaf arrowhead cultivar also toxic?

Yes. Pink, white and green cultivars all share the same crystal-laden tissue.

More plants checked for dogs

Pothos☠️ ToxicYes, pothos is toxic to dogs. Chewing any part of the vine releases calcium oxalate crystals thaAloe Vera⚠️ Mildly ToxicAloe vera is mildly to moderately toxic to dogs. The skin and latex layer of the leaf contain coSpider Plant✅ Non-ToxicNo, spider plants are non-toxic to dogs. A dog that nibbles the arching leaves is not at risk ofEaster Lily⚠️ Mildly ToxicEaster lilies are only mildly toxic to dogs — they usually cause stomach upset, not the fatal kiSago Palm☠️ ToxicYes — sago palm is severely toxic to dogs, with a documented fatality rate around 50% when untreBoston Fern✅ Non-ToxicNo, Boston ferns are non-toxic to dogs. Chewing a frond will not poison your dog.

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.