3000 ICEBERG HEAD LETTUCE Lactuca Sativa Vegetable Seeds COLOR: Light Green HARVEST: 75 Days PLANT HEIGHT: 12 - 18" . . . PLANT SPACING: 12 - 18" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Average Iceberg has crisp firm leaves that grow in compact rounded bunches with medium heads. It has light green fringed and heavily ruffled outer leaves with white hearts.