DECIDUOUS. Populus simonii fastigiata, commonly known as Simons Poplar, is a deciduous tree celebrated for its distinctive features. This tree, when planted in Australian landscapes, forms an impressive columnar shape and boasts lustrous green leaves that rustle in the wind, creating a pleasing soundscape. Simons Poplar is well-suited to gardens and parks, offering both visual charm and a source of shade. It typically reaches heights of 10 to 15 meters, making it a stately addition to the outdoor spaces with its elegant, upright form.