Sequoia (scientific name: Larix POTANINII Batalin) also known as Coast Redwood, Evergreen Redwood, North American Redwood, California Redwood, commonly known as Redwood. Mature up to 60-100 meters, especially long life, many have 2001-3000 years of age. Redwood trees grow very fast, the survival rate is high, and the bark is thick, has the very strong insect-proof and the fire-proof ability. So it is recognized as one of the most valuable tree species in the world.