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 peace lily (Spathiphyllum Domino) is an evergreen, flowering tropical that has variegated white and green leaves with striking white blooms. The peace lily is most popular as an indoor plant, but you can grow peace lilies outside successfully if you live in a warm climate.tep 4. Fertilize your peace lily regularly. Unlike peace lilies kept indoors, outdoor lilies need a nutritional boost to grow properly. Use a general plant fertilizer and follow the directions on the package.