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How poisonous are hydrangeas?

Published in Hydrangea Toxicity 2 mins read

Hydrangeas are considered toxic, but severe poisoning is rare, with mild stomach upset being the most common symptom, particularly in animals that consume the plant.

Understanding Hydrangea Toxicity

Hydrangea plants contain compounds that can cause an adverse reaction when ingested. While all parts of the plant are considered toxic, the highest concentration of these substances is typically found in the leaves and the vibrant flowers.

Severity of Poisoning

Despite their toxicity, severe cases of poisoning from hydrangeas are very uncommon. The more frequent outcome is mild poisoning. This generally manifests as stomach upset, especially when a significant amount of the plant is consumed.

Common symptoms associated with hydrangea ingestion can include:

  • Vomiting
  • Diarrhea
  • Lethargy (in pets)

Impact on Pets

Cats, for example, are known to experience mild poisoning if they ingest large quantities of hydrangea. The primary symptom observed in these instances is typically an upset stomach. It's important for pet owners to be aware of the plants in their environment to prevent accidental ingestion.

Hydrangea Toxicity Overview

To provide a clearer picture of hydrangea's toxicity, consider the following summary:

Aspect Details
Toxic Parts All parts of the plant
Highest Toxicity Leaves and flowers
Severity Mild poisoning is common; severe poisoning is very rare.
Common Symptoms Stomach upset (vomiting, diarrhea), lethargy
Vulnerable Pets, especially cats, if large amounts are consumed

If there is any suspicion that a significant amount of hydrangea has been ingested by a person or pet and symptoms are observed, it is always recommended to seek medical or veterinary advice.