Arugula: Safe for Dogs and Cats?

Plain, washed arugula is non-toxic to most healthy dogs. Large amounts of leafy greens can cause digestive upset, and salad dressing or mixed salad ingredients need a separate safety check.

Safe serving: A small plain leaf, washed and served without dressing, onion, garlic, or seasoning.

Plain, washed arugula is non-toxic to most healthy cats, though cats do not need leafy greens and too much plant fiber can upset digestion. Dressing and mixed salad ingredients change the answer.

Safe serving: A tiny piece of a plain washed leaf with no dressing, onion, garlic, or seasoning.