Are Mandevilla Poisonous?

Mandevilla is a blooming vine that can grow along a trellis or support. This tropical plant, which also goes by the name rock trumpet, is grown for its showy flowers. While Mandevilla makes a lovely addition to an outdoor space, this plant is poisonous to humans and animals, so carefully select where to site this plant and monitor its visitors.


Are Mandevilla Poisonous to Children?

All parts of Mandevilla plants are poisonous if eaten, so keep this vining plant out of the reach of children. Eating Mandevilla will cause an upset stomach and indigestion. A white sap that can cause skin irritation will ooze from broken stems, so keep the plant out of reach. The vines can be trained to grow up, so little hands cannot pluck flowers or tear stems. 


Are Mandevilla Poisonous to Dogs?

Mandevilla is not pet-friendly and is dangerous to dogs. This plant is toxic if eaten by dogs and can be more harmful to puppies if ingested. Eating Mandevilla is not likely fatal, but it will cause stomach distress, nausea, and vomiting.

Are Mandevilla Poisonous to Cats?

Be careful with Mandevilla plants if you have cats that can access the flowering vines. Mandevilla can be toxic to cats and may cause felines to experience an upset stomach, nausea, and vomiting. The symptoms can be more severe for kittens since they are smaller.

Are Mandevilla Poisonous to Other Animals?

Mandevilla is toxic and can be harmful to most animals if they eat any part of the plant. The plant also produces a sap that can cause skin irritation. Mandevilla is both deer and rabbit resistant largely because of this unappetizing sap. Mandevilla is a striking plant, but be mindful of the potential dangers when including this plant in your landscape.

Symptoms Of Mandevilla Poisoning

Mandevilla is poisonous to people and animals. All parts of Mandevilla are harmful, and the plant produces a white sap that causes skin irritation. Always check with your doctor or veterinarian for guidance if you suspect Mandevilla poisoning. 

Here are some common symptoms to look out for:

  • Upset stomach
  • Nausea
  • Vomiting

Preventing Mandevilla Poisoning

The most effective way to prevent Mandevilla poisoning is to keep the plant away from children and pets. Plant Mandevilla in an area beyond a fence so dogs and young kids cannot reach the flowering vines. Mandevilla can be grown in hanging baskets, an opportunity to enjoy this plant while keeping the flowers and vines out of reach from young curious hands and noses.


Pet Poison Helpline

If something were to happen to your furry friend, and you suspect that they are suffering from Mandevilla poisoning, there is a poison control hotline to call for 24/7 vet advice. It is called the Pet Poison Hotline, and their phone number is (855) 764-7661.

Sources: "Mandevilla." Gardening Solutions - University of Florida's Institute of Food and Agricultural Sciences.

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Author Alison Cotsonas - Published 08-30-2022