Red Oak lettuce is a type of butter lettuce. It has a buttery texture and an incredibly mellow, nutty and sweet flavor. Red oak lettuce has been shown to possess exceptionally strong antioxidant properties. A group of scientists from Spain found that the red-leafed lettuce varieties including red oak and lolla rosa had the highest antioxidant activity. You’ll find baby red oak in our Spring Mix, Spring Mix w/Herbs, 50/50 Blend, and Sweet Baby Lettuce.