Harvest lettuce seeds this late summer and fall and offer ... to a blender with a cooked base of scallion greens and rhubarb stalk (or lemon or sorrel, if those or unavailable).

Bolting is when an edible plant, like lettuce, develops a flowering stalk and begins producing seeds. Lettuce will bolt when it gets too warm outside and can change the flavor of the plant leaves.

Sow seeds directly into the ground or into raised beds or containers. Lettuce seeds are tiny and should be planted shallow—about 1/8 inch deep. Keep the soil moist until they sprout (usually within ...