Lettuce Green Curled - Vegetable SeedsOverview Lettuce requires cool environment. The average mean temperature for growth and better taste is 13 16C. High temperature promotes seed stalk and causes bitter taste of leaves. It performs well in sandy loam and silt loam soils Variety Details Sweet fleshy green stems Produces upright green leaves which are frilly and wavy Vigorous growing and is slow bolting Approx seeds count 300