Sequoiadendron giganteum Giant Sequoia trees are the largest growing tree varieties of all trees. They can easily reach a height of 300 feet. They are commonly called as redwoods. They are non-flowering conifer trees that prefer to grow in colder climates! Taxonomy Kingdom:PlantaeDivision:PinophytaClass:PinopsidaOrder:PinalesFamily:CupressaceaeSubfamily:SequoioideaeGenus:SequoiadendronSpecies:S. giganteum Anatomy The Sequoia trees will have a red