The Weeping Willow is a medium to large-sized deciduous tree, growing up to 25 metres tall. It grows rapidly, but has a short lifespan of between 40 and 75 years. The shoots are yellowish-brown, with small buds. The leaves are alternate and spirally arranged, narrow, light green, with finely serrated margins and long acuminate tips. The leaves turn a yellow in autumn. The flowers are arranged in catkins produced early in the spring.