Pet safety
Is Dipladenia (Mandevilla)toxic to cats & dogs?
Mandevilla spp.
Quick verdict — at a glance
- Toxic to cats?
- Yes — mildly
- Toxic to dogs?
- Yes — mildly
- ASPCA classification
- Mildly toxic to pets · botanical name Mandevilla spp.
Is dipladenia (mandevilla) safe for cats and dogs?
Use caution. Dipladenia (Mandevilla) is on the mildly-toxic side of the ASPCA list. Most ingestions are short-lived but unpleasant for the pet; the cost-free fix is a placement they can't reach. This classification follows the ASPCA Toxic and Non-Toxic Plant List, the most widely used reference for companion-animal plant safety in the US and the standard most UK vets cite as well. 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.
| Pet | Toxic? | Per ASPCA |
|---|---|---|
| Cats | Yes (mild) | Mildly toxic to pets |
| Dogs | Yes (mild) | Mildly toxic to pets |
What happens if a pet 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. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to dipladenia (mandevilla), treat it as a suspected ingestion and act on the steps below.
What to do if your pet ate dipladenia (mandevilla)
- Remove any plant material from your pet's mouth and move dipladenia (mandevilla) out of reach.
- Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
- Do not induce vomiting unless a vet or poison-control specialist instructs you to.
- Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice.
- Bring a leaf or photo of dipladenia (mandevilla) to the appointment so it can be treated correctly.
This page is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide rather than the plant. If you are worried, always contact a vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.
Pet-safe alternatives to dipladenia (mandevilla)
Want the same look without the risk? These plants are listed as non-toxic to cats and dogs by the ASPCA and have similar care needs:
- Hoya — non-toxic to cats and dogs (care guide)
- Bromeliad — non-toxic to cats and dogs (care guide)
- Christmas cactus — non-toxic to cats and dogs (care guide)
- African violet — non-toxic to cats and dogs (care guide)
Dipladenia (Mandevilla) and pets — frequently asked questions
Is dipladenia (mandevilla) toxic to cats?
Dipladenia (Mandevilla) (Mandevilla spp.) is mildly toxic to pets to cats according to the ASPCA. 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. Keep it out of reach and contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 if your cat chews it.
Is dipladenia (mandevilla) toxic to dogs?
The ASPCA lists the same toxicity status for dogs as for cats: Dipladenia (Mandevilla) is mildly toxic to pets. Dogs often chew more enthusiastically than cats, so a toxic plant like dipladenia (mandevilla) is best removed from the floor and low shelves entirely.
What happens if my pet 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. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to dipladenia (mandevilla), treat it as a suspected ingestion and act on the steps below.
What should I do if my cat or dog ate dipladenia (mandevilla)?
Stay calm. Remove any remaining plant material from your pet's mouth and take the plant away so they cannot eat more. Note roughly how much was eaten and when. Do not make your pet vomit unless a vet or poison-control specialist tells you to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 (a consultation fee may apply) and follow their advice. Bringing a photo or a leaf of dipladenia (mandevilla) to the appointment helps the vet treat it correctly.
What are pet-safe alternatives to dipladenia (mandevilla)?
If you want a similar look without the risk, good non-toxic swaps include hoya, bromeliad, christmas cactus, african violet. All of these are listed as non-toxic to cats and dogs by the ASPCA, so they suit a home where pets have access to your plants.
Full dipladenia (mandevilla) care
Pet-safety is one piece of the picture. For light, watering, soil, and troubleshooting, see the complete dipladenia (mandevilla) care guide, or browse the full pet-safe plant library to check another plant before you buy it.