Lettuce Romain Seeds : 

Lettuce requires cool environment. The average mean temperature for growth and better taste is 13-16°C. High temperature promotes seed stalk and causes bitter taste of leaves. It performs well in sandy loam and silt loam soils

Variety Details :

• Romaine or cos lettuce is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers
• Unlike most lettuces, it is tolerant of heat