How long do oak trees shed?

Rock Gardens.

A The “tassels” that drop from oak trees are called catkins, and they are the spent male flowers whose purpose is to shed pollen that is carried by the wind to female flowers. If pollination occurs, then the female flowers will develop into the acorns that are the seeds of the oak tree.

Dec 14, If your tree is shedding stringy stuff in spring, it might be engaging in its annual flowering where the long male catkins let loose pounds of yellow pollen and then fall from the tree as new.

Mar 02, What is the brown stuff falling from oak trees? A The “tassels” that drop from oak trees are called catkins, and they are the spent male flowers whose purpose is to shed pollen that is carried by the wind to female flowers. If pollination occurs, then the female flowers will develop into the acorns that are the seeds of the oak tree.