More to explore:
Cut-and-Come-Again Lettuce - varieties of lettuce you can cut, and that will grow back (like grass) - Garden Ideas
Cut and come again lettuce variety. It's brilliant, every time you cut some it really does grow back almost instantly!
cutting lettuce varieties
cut and come again lettuce plants
cut and come again lettuce growing
"Cut and come again" lettuce garden
Cut-and-Come-Again Lettuce varieties - great article re growing lettuce