Do you know where the wild lettuce grows? Ask a bunny. In Beatrix Potter’s eponymous tale, the Flopsy Bunnies eat too many lettuces and fall asleep in an ill-advised spot, where Mr. MacGregor ...

Wild lettuce extract, also known as lettuce opium became popularized Friday after Dr. Oz recommended the extract to help people sleep. Wild lettuce extracts come from the leaves, sap and seeds of ...

Well, they turned out to be wild lettuce. It might be one of a few wild species. ... Some common names include wild lettuce, great lettuce, prickly lettuce, bitter lettuce and opium lettuce.

Lettuce opium can be found in all lettuce species but is most commonly extracted from wild lettuce, Lactuca virosa. 2.