Heritage Lettuce Merveille Des Quartre Seasons (Net Wt. 1g.) – Matures in 60 days. A French Heirloom butterhead lettuce introduced in 1885. The name means "Four Seasons' not only for it's ability to hold it's flavor in even warm weather, but for it's beautiful colors; deep burgundy, pink, pale green and creamy yellow. It has crisp leaves of excellent flavor. Will develop dark red color during cool spring and autumn weather.