On Fri, 30 May 2014 06:28:18 -0700 (PDT), "
wrote:

How do I harvest this stuff? Peel off the leaves or just cut it to the ground?
MJ

Hi, MJ. Add my vote to the others: cut the outer leaves and the plant
will keep producing.

I don't harvest the entire head of leaf lettuce until it's nearing the
end of its season as it grows hotter.