Feng Shui applies to the use of placement of plants to please the eye, and for them to prosper, to bring harmeony,direction of placemennt They are called 'Tiger Tail' in China. Introduced in the very late 1800 or early 1900. When England and Germany introduced them to their Botanical Gardens, they are used for landscape, like our Hotels do, and we do around the home, as we do colors in our home the Ying-Yang This is the best I can do to translate what he was telling me. Search google or yahoo. you will be surprised at what come up. Norma