Siberian larch, botanically known as Larix sibirica, is a slow-growing conifer and is one of the most commonly used woods for outdoor projects. It is a popular wood valued for its beautiful appearance, natural resistance, hardness and durability. Siberian larch is classified as a softwood, but due to its specific density, it is one of the hardest softwoods in the world. With its hardness, density and natural durability, Siberian larch can equal a considerable group of hardwoods.