Pet safety
Is Mophead Hydrangea 'Cityline Paris'toxic to cats & dogs?
Hydrangea macrophylla 'Paris Rapa'
Quick verdict — at a glance
- Toxic to cats?
- Yes — toxic
- Toxic to dogs?
- Yes — toxic
- ASPCA classification
- Toxic to pets · botanical name Hydrangea macrophylla 'Paris Rapa'
Is mophead hydrangea 'cityline paris' safe for cats and dogs?
Avoid for a pet household. Mophead Hydrangea 'Cityline Paris' is ASPCA-listed toxic to both cats and dogs; even a small chew can drive a vet visit. Plenty of look-alikes on the non-toxic side of the list — see alternatives below. 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. ASPCA lists Hydrangea as toxic to dogs, cats and horses. Leaves, buds and flowers contain cyanogenic glycosides; ingestion typically causes vomiting, diarrhoea and lethargy. Serious cyanide poisoning is rare and requires eating a large amount, but keep pets from grazing on it.
| Pet | Toxic? | Per ASPCA |
|---|---|---|
| Cats | Yes | Toxic to pets |
| Dogs | Yes | Toxic to pets |
What happens if a pet eats mophead hydrangea 'cityline paris'?
ASPCA lists Hydrangea as toxic to dogs, cats and horses. Leaves, buds and flowers contain cyanogenic glycosides; ingestion typically causes vomiting, diarrhoea and lethargy. Serious cyanide poisoning is rare and requires eating a large amount, but keep pets from grazing on it. 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 mophead hydrangea 'cityline paris', treat it as a suspected ingestion and act on the steps below.
What to do if your pet ate mophead hydrangea 'cityline paris'
- Remove any plant material from your pet's mouth and move mophead hydrangea 'cityline paris' 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 mophead hydrangea 'cityline paris' 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 mophead hydrangea 'cityline paris'
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)
Mophead Hydrangea 'Cityline Paris' and pets — frequently asked questions
Is mophead hydrangea 'cityline paris' toxic to cats?
Mophead Hydrangea 'Cityline Paris' (Hydrangea macrophylla 'Paris Rapa') is toxic to cats according to the ASPCA. ASPCA lists Hydrangea as toxic to dogs, cats and horses. Leaves, buds and flowers contain cyanogenic glycosides; ingestion typically causes vomiting, diarrhoea and lethargy. Serious cyanide poisoning is rare and requires eating a large amount, but keep pets from grazing on it. 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 mophead hydrangea 'cityline paris' toxic to dogs?
Per the ASPCA, Mophead Hydrangea 'Cityline Paris' (Hydrangea macrophylla 'Paris Rapa') is toxic to dogs. Dogs often chew more enthusiastically than cats, so a toxic plant like mophead hydrangea 'cityline paris' is best removed from the floor and low shelves entirely.
What happens if my pet eats mophead hydrangea 'cityline paris'?
ASPCA lists Hydrangea as toxic to dogs, cats and horses. Leaves, buds and flowers contain cyanogenic glycosides; ingestion typically causes vomiting, diarrhoea and lethargy. Serious cyanide poisoning is rare and requires eating a large amount, but keep pets from grazing on it. 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 mophead hydrangea 'cityline paris', treat it as a suspected ingestion and act on the steps below.
What should I do if my cat or dog ate mophead hydrangea 'cityline paris'?
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 mophead hydrangea 'cityline paris' to the appointment helps the vet treat it correctly.
What are pet-safe alternatives to mophead hydrangea 'cityline paris'?
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 mophead hydrangea 'cityline paris' care
Pet-safety is one piece of the picture. For light, watering, soil, and troubleshooting, see the complete mophead hydrangea 'cityline paris' care guide, or browse the full pet-safe plant library to check another plant before you buy it.