UL, CSA, ETL and CE: What They Mean. If you look on the back panel of Crown amplifiers or PIP modules, you will see a silk-screened certification mark or logo such as UL, CSA, ETL or CE. What do these certification marks mean? Basically they are stamps of approval.
Peony is a plant. The root and, less commonly, the flower and seed are used to make medicine. Peony is sometimes called red peony and white peony. This does not refer to the color of the flowers, which are pink, red, purple, or white, but to the color of the processed root. Peony is used for gout, osteoarthritis, fever, respiratory tract illnesses, and cough.
once hard frosts zap herbaceous peony leaves plants go dormant and disappear from the landscape until the following spring when new growth emerges from the root tuber another of the peony types is the tree peony this kind of peony is a shrub having woody stems that lose their leaves when frosty weather arrives in spring new growth emerges from buds on the woody stems these types of peonies typically flower before herbaceous peony varieties the shrub like growth habit results in tree peonies having giant dinner plate size flowers that can measure 6 to 9 inches across the blossoms are breathtaking and long lasting in the garden