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Leek vs. Chives: which is safe for cats and dogs?

Leeks and chives are frequently compared because both belong to the Allium genus, a group of plants well-known for their culinary uses but also for their potential risks to household pets. It is important for pet owners to understand that both leeks and chives are considered toxic to both cats and dogs. While they differ in their growth habits and flavor profiles, both plants contain compounds that can damage a pet's red blood cells, potentially leading to serious health complications like hemolytic anemia. Because both plants pose a significant risk, they should be kept strictly out of reach of all curious cats and dogs in your home.

Leek

Allium ampeloprasum

Leeks are members of the onion family that contain compounds capable of damaging red blood cells in pets. Ingestion of any part of the plant can lead to gastrointestinal upset and potential anemia.

cat

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Vomiting, diarrhea, lethargy, pale gums, and elevated heart rate.

dog

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Drooling, abdominal pain, vomiting, diarrhea, and weakness.

Full Leek reference →

Chives

Allium schoenoprasum

Chives are a popular culinary herb in the onion family that contain compounds capable of damaging red blood cells in pets. Ingestion of any part of the plant can lead to gastrointestinal upset and more serious systemic issues.

cat

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Vomiting, diarrhea, lethargy, pale gums, and elevated heart rate.

dog

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Drooling, abdominal pain, vomiting, diarrhea, and weakness.

Full Chives reference →