Rouxai by Rijk Zwaan is a premium-class red oakleaf lettuce. Very red outdoor oakleaf. Unique because of its very red color at the top of the leaves but also the intense red color on the underside of the leaves. Suitable for hydroponics and outdoor production.Grow in full sun for deep-red color and best growth. This lettuce shows heat resistance and is grown for its tender, delicate leaves which grow from a central stalk.This red oak leaf lettuce is nutrient-dense, meaning that it’s high in a variety of essential vitamins and minerals, yet very low in calories. Its nutrition profile is similar to other popular leafy vegetables, such as a green leaf, romaine, and iceberg lettuce but when compared to other varieties, red leaf lettuce provides more vitamin K, more iron, and slightly fewer calories.
