Johnsons\' Lettuce Tom Thumb Seeds produce a \'butterhead\' type of lettuce with small, compact heads. This is a favourite for the vegetable garden due to its yellow inner leaves that are buttery and the outer leaves which are green and crumpled. Perfect for raised beds, containers and smaller gardens. Sow outdoors from March to July ready to harvest from May to October. Average pack contains 1500 seeds. Warning:Seeds should not be eaten. Store out of reach of children and pets. Always read the instructions before use.