Rogue D'Hiver lettuce or Cimmaron lettuce is a variety an extremely beautiful 1800s European heirloom. Its large, flat, broad leaves are sweet with a buttery texture. The color varies from green to bronze to deep red. Rouge d'Hiver is quick growing, and heat and cold resistant. Rouge d'Hiver lettuce seeds are a favorite for market gardeners and home gardeners alike. Rouge d?Hiver is not just beautiful, but it is also very tasty and very easy to grow. The high protein chlorophyll in the dark-green leaves is highly nutritious. Salads are not complete without these leafy greens.