25-50 days.  A French heirloom from the 1800s that is commonly used as baby leaf lettuce. 

However, Rouge d'Hiver forms an amazing head lettuce as well. 

Its sweet, broad, flat, crisp leaves range from crimson red to bronze to emerald green. 

Heat and cold tolerant, but exceeds as an early spring or fall/winter planting. 

Disease resistance to tip burn and lettuce drop.

Contains approx. 100 heirloom seeds