When Is A Good Time To Prune Birch Trees

Question

I have so low branches on my birch trees and would like to prune them at the proper time so I don’t damage the trees.

Answer 1

Late summer or early autumn is the best time to prune birch trees to avoid the sap.

https://www.gardeningknowhow.com/ornamental/trees/birch/cutting-back-birch-trees.htm