3000 BUTTERCRUNCH LEAF LETTUCE Lactuca Sativa Vegetable Seeds COLOR: Green HARVEST: 65 Days PLANT HEIGHT: 6 - 12" . . . PLANT SPACING: 12 - 18" LIGHT REQUIREMENTS: Sun (Tolerates heat well) . . . SOIL / WATER: Average Buttercrunch is an improved bibb type lettuce with better bolt resistance. The leaves are tender and crispy with approximately 4 1/2 inch heads.