Can cats eat lettuce?
VCA says lettuce is very low in calories and works as a snack for senior cats. Vegetables stay a rare extra for cats; treats at most 10–15% of daily calories (Cornell).
How to serve it: washed, no dressing, a small piece of leaf
Questions
Can dogs eat lettuce?
Yes, in small amounts. AKC says romaine, arugula and iceberg lettuce are safe for dogs in moderation. Lettuce is about 90% water, and too much can cause diarrhea (AKC).
Sources
- VCA Animal Hospitals – Feeding Mature, Senior, and Geriatric Cats
- Pet Poison Helpline – Pet Friendly Human Food (pets in general)
- Cornell Feline Health Center – Feeding Your Cat
Last checked: October 2026