Perique - Louisiana - is grown in only in St, James Parish in Louisiana. It originated with Native Americans who steeped the tobacco in its own juice in hollow logs. Today, its produced by fermenting twist in their own juices under pressure for 9-10 months. It is still steeped in its own juice to make it Perique. It is very strong and few blends have more than 10-15% added.

The above information has been gathered from a variety of sources including but not limited to the following:

Mac Baren Tobacco
Articles by William Serad
e-articles by G.L.Pease
Craig Tarler, William Ashton Taylor, Charlie Price
and assorted other arcane sources