Walnut tree pruning generally in the growth period, in other times try not to prune, if pruning in the dormancy period, it will speed up the loss of water and nutrients, so as to speed up its withering.
Walnut tree pruning to cut off one part of the annual branches, followed by the extension of the lateral branches, cutting off a part of the perennial branches, and then the long branches too thick pruning.
It can be pruned from the bottom of the branch. When it sprouts out of the long branches, it should be cut off in time. In addition to cross branches, overlapping branches are cut off, some branches because of lack of light and long very thin, but also to prune.
