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Hydrangea

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Poisonous to: Cats, Dogs

Common signs to watch for:

  • Lethargy
  • Vomiting
  • Diarrhea

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This common garden shrub has a beautiful, colorful flower (e.g., pink, blue, white, depending on the soil of the pH). This shrub contains cyanogenic glycosides, with higher concentrations found in the leaves and flowers. When ingested by pets, it can cause vomiting, diarrhea and lethargy.

Poison type: Plants