That's plant bolting. It happens when plants like lettuce ... flowering often makes leaves bitter and unappetizing.

Harvest in the morning to keep your leaves their freshest and minimize ... "Harvest before the days get too warm; otherwise, the lettuce will bolt," says Edmunds. "Lettuce is an annual, and ...

How to harvest lettuce Lettuce grows great in the Carolinas during our cool season. I have three plantings of lettuce that I ...

Leaves also blister as the skin fails to keep up with the speed of growth ... High temperatures don’t suit lettuce, so when it gets above 25°C, problems start to emerge. Bolting, when the plant starts ...

Incidentally, tearing lettuce leaves rather than chopping them after you wash them also helps prevent the release of plant fluids. This is as the leaf splits along the veins when you tear it ...