weeping willow tree

Question

At what size or age do weeping willow branches begin to droop? Mine is about 1 1/2 yrs. old and approx. 8’tall, but the branches are all still upright.

Answer 1

Did you purchase a tree or was your tree grown from seed?
Do you know the cultivator that is planted?
Weeping Trees are often grafted onto a root stock and if the root stock takes over the tree may not 'weep'

https://www.gardeningknowhow.com/ornamental/trees/tgen/common-weeping-trees.htm