Get one Aussie Willow Tree ready to plant! This tree can grow up to 10 feet in the first year. If you need fast privacy, quick shade, or an instant windbreak or sound barrier, this is the tree to buy. Backed by our 100% Satisfaction Guarantee, the Aussie Willow is a cross between the white willow and corkscrew willow, resulting in a highly attractive and super fast-growing tree—the fastest in the world! It will easily exceed your expectations. For planting in a row, 5-foot spacing is ideal, and these trees can grow up to 30 feet tall and live over 50 years. They are suitable for USDA Zones 3-10, making them perfect for all of the USA. For a privacy hedge, a 3-5 foot spacing is recommended.