Lettuce is bolting if it forms a central stalk that eventually rises high above the base leaves. This seed stalk (which has leaves along its stem) will form flowers toward the top and eventually seeds. During this time, the lettuce leaves develop a bitter flavor.
Lettuce is bolting if it forms a central stalk that eventually rises high above the base leaves. This seed stalk (which has leaves along its stem) will form flowers toward the top and eventually seeds. During this time, the lettuce leaves develop a bitter flavor.