Is Hydrangea 'Blushing Bride' toxic to cats?

Mildly. The ASPCA lists hydrangea 'blushing bride' as mildly toxic to cats — a chewing cat typically gets mouth irritation, drooling, and vomiting rather than a medical emergency, but it is still best kept out of reach. Hydrangea macrophylla contains cyanogenic glycosides in its leaves, flowers, and buds. Ingestion can cause vomiting, lethargy, and diarrhoea in dogs, cats, and horses. The ASPCA lists Hydrangea as toxic to dogs, cats, and horses; toxicity is generally mild unless large amounts are consumed.

Hydrangea macrophylla contains cyanogenic glycosides in its leaves, flowers, and buds. Ingestion can cause vomiting, lethargy, and diarrhoea in dogs, cats, and horses. The ASPCA lists Hydrangea as toxic to dogs, cats, and horses; toxicity is generally mild unless large amounts are consumed. 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 cat has had access to hydrangea 'blushing bride'.

Stay calm. Remove any plant from your cat'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.

The ASPCA classification Growli uses applies to both cats and dogs: Hydrangea 'Blushing Bride' is mildly toxic to dogs as well. See the full hydrangea 'blushing bride' pet-safety guide for both species.

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