Can horses eat lettuce?
Yes, horses can eat lettuce in small amounts. Penn State Extension lists lettuce among safe vegetables for horses, and Rutgers names it as an acceptable treat too.
Sources
- Penn State Extension – Trick or Treat: Things to Think About when Giving Your Horse a Treat
- Rutgers Equine Science Center – Fact Sheet #062: Odd Things that Horses Eat (reviewed 2004)
Last checked: October 2026