Though invented by Lovecraft in 1928 [needs confirmation], the name Cthulhu is probably derived from the Classic Greek word chthonic meaning subterranean, as apparently suggested by Lovecraft himself at the end of his 1923 tale The Rats in the Walls.
They're listed as a zone 5-9 plant but as a member of the hibiscus family, Rose of Sharon naturally prefers a warm climate. As a living fence, which is what you really want, you'll be much better off with some kind of evergreen. Juniper, spruce, pine, fir, there are many sizes and varieties to choose from.
The Selenite Desert Rose has many different names, such as Sand Rose, Rose Rock, Selenite Rose, Gypsum Rose, and Gypsum Rosettes. Almost all Desert Roses are most commonly found made out of two different minerals, Selenite (also called Gypsum), or Barite (also spelled Baryte).It insulates and holds heat well and that is why Gypsum has been used as an insulator.) There is one other Desert Rose that is formed out of a chalcedony but this article will focus primarily on the Selenite Desert Rose. The Selenite Desert Rose is formed from the combination of water, wind, and sand.