19. Sequoia sempervirens

A Coast Redwood called The Hyperion tree in Redwood National Park currently boasts to be the world's tallest living organism at over 115 metres (379 feet) high. This specimen is around 20 metres (65-70 feet) tall. They can live up to 2200 years. The timber is lightweight and resistant to decay and is used for garden furniture, planters, decking, hot-tubs and railway sleepers.