Purchase lettuce butterhead green salads of the highest quality and with a high germination rate online from inhydrogreens.com at the best price in India. When the soil is cool in the spring and fall, butterhead green lettuce is simple to cultivate. All varieties of lettuce grow best in soil that is consistently moist and between 15 and 20 degrees Celsius in temperature. The soft, buttery-textured leaves of butterhead green lettuce, commonly referred to as Boston or bibb lettuce, create very loose "heads." Their flavor is light, sweet, and succulent.