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Is Dipladenia (Mandevilla) toxic to dogs?

Mandevilla spp.

Mildly toxic to dogs

Mildly. The ASPCA lists dipladenia (mandevilla) as mildly toxic to dogs — a chewing dog typically gets mouth irritation, drooling, and vomiting rather than a medical emergency, but it is still best kept out of reach. This classification follows the ASPCA Toxic and Non-Toxic Plant List. The ASPCA does not individually list Mandevilla or Dipladenia on either its toxic or non-toxic plant database, so a non-toxic claim cannot be made. It belongs to the dogbane family (Apocynaceae), which includes toxic relatives such as oleander, and the RHS notes it "may cause mild stomach upset if eaten" with sap that "may cause skin irritation." Ingestion can cause drooling, vomiting or diarrhoea in cats and dogs; the milky sap can cause contact dermatitis. Keep out of reach of pets and children, wear gloves when pruning, and contact your vet or the ASPCA Animal Poison Control Center (888-426-4435) if a pet eats any part.

What to do if your dog ate dipladenia (mandevilla)

  1. Remove any plant material from your dog's mouth and move dipladenia (mandevilla) out of reach.
  2. Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
  3. Do not induce vomiting unless a vet or poison-control specialist instructs you to.
  4. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice.
  5. Bring a leaf or photo of dipladenia (mandevilla) to the appointment so it can be treated correctly.

General guidance, not veterinary advice. If you think your dog has eaten dipladenia (mandevilla), contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.

Is dipladenia (mandevilla) toxic to dogs? — FAQ

Is dipladenia (mandevilla) toxic to dogs?

Mildly. The ASPCA lists dipladenia (mandevilla) as mildly toxic to dogs — a chewing dog typically gets mouth irritation, drooling, and vomiting rather than a medical emergency, but it is still best kept out of reach. The ASPCA does not individually list Mandevilla or Dipladenia on either its toxic or non-toxic plant database, so a non-toxic claim cannot be made. It belongs to the dogbane family (Apocynaceae), which includes toxic relatives such as oleander, and the RHS notes it "may cause mild stomach upset if eaten" with sap that "may cause skin irritation." Ingestion can cause drooling, vomiting or diarrhoea in cats and dogs; the milky sap can cause contact dermatitis. Keep out of reach of pets and children, wear gloves when pruning, and contact your vet or the ASPCA Animal Poison Control Center (888-426-4435) if a pet eats any part.

What are the symptoms if a dog eats dipladenia (mandevilla)?

The ASPCA does not individually list Mandevilla or Dipladenia on either its toxic or non-toxic plant database, so a non-toxic claim cannot be made. It belongs to the dogbane family (Apocynaceae), which includes toxic relatives such as oleander, and the RHS notes it "may cause mild stomach upset if eaten" with sap that "may cause skin irritation." Ingestion can cause drooling, vomiting or diarrhoea in cats and dogs; the milky sap can cause contact dermatitis. Keep out of reach of pets and children, wear gloves when pruning, and contact your vet or the ASPCA Animal Poison Control Center (888-426-4435) if a pet eats any part. Signs usually appear soon after chewing rather than hours later — watch for drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy after your dog has had access to dipladenia (mandevilla).

What should I do if my dog ate dipladenia (mandevilla)?

Stay calm. Remove any plant from your dog's mouth and take the plant away. Note how much was eaten and when, and do not induce vomiting unless told to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice; a leaf or photo helps the vet treat it correctly.

Is dipladenia (mandevilla) toxic to cats too?

The ASPCA classification Growli uses applies to both cats and dogs: Dipladenia (Mandevilla) is mildly toxic to cats as well. See the full dipladenia (mandevilla) pet-safety guide for both species.

What is a dog-safe alternative to dipladenia (mandevilla)?

For a similar look without the risk, see the best dogs-safe plants list — every plant there is ASPCA non-toxic to cats and dogs.

Full dipladenia (mandevilla) pet-safety