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Is Lacecap Hydrangea toxic to cats?

Hydrangea macrophylla 'Mariesii Perfecta'

Toxic to cats

Yes — lacecap hydrangea is toxic to cats according to the ASPCA. Keep it well away from any cat that chews plants; reactions can be significant. This classification follows the ASPCA Toxic and Non-Toxic Plant List. The ASPCA lists Hydrangea as toxic to dogs, cats, and horses. The toxic principle is cyanogenic glycoside, concentrated in leaves and flower buds; ingestion can cause vomiting, diarrhoea, lethargy, and depression, though serious cyanide poisoning is rare and usually requires eating a large amount.

What to do if your cat ate lacecap hydrangea

  1. Remove any plant material from your cat's mouth and move lacecap hydrangea 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 lacecap hydrangea to the appointment so it can be treated correctly.

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

Is lacecap hydrangea toxic to cats? — FAQ

Is lacecap hydrangea toxic to cats?

Yes — lacecap hydrangea is toxic to cats according to the ASPCA. Keep it well away from any cat that chews plants; reactions can be significant. The ASPCA lists Hydrangea as toxic to dogs, cats, and horses. The toxic principle is cyanogenic glycoside, concentrated in leaves and flower buds; ingestion can cause vomiting, diarrhoea, lethargy, and depression, though serious cyanide poisoning is rare and usually requires eating a large amount.

What are the symptoms if a cat eats lacecap hydrangea?

The ASPCA lists Hydrangea as toxic to dogs, cats, and horses. The toxic principle is cyanogenic glycoside, concentrated in leaves and flower buds; ingestion can cause vomiting, diarrhoea, lethargy, and depression, though serious cyanide poisoning is rare and usually requires eating a large amount. 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 lacecap hydrangea.

What should I do if my cat ate lacecap hydrangea?

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.

Is lacecap hydrangea toxic to dogs too?

The ASPCA classification Growli uses applies to both cats and dogs: Lacecap Hydrangea is toxic to dogs as well. See the full lacecap hydrangea pet-safety guide for both species.

What is a cat-safe alternative to lacecap hydrangea?

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.

Full lacecap hydrangea pet-safety