The larch takes regular pruning well. If larger branches must be pruned, this should be done in winter or early spring, before the tree starts growing. Avoid cutting back mature trees to the same points again and again because this would produce ugly knobs and promote senescence.
How do you prune a larch?
Remove 1/3 to ½ of the terminal growth from the end of each branch. Do not remove any of the central leader at this time, rather wait until the new growth is approximately ½ expanded (in later spring) and pinch off 1/3 to ½ of the central leader's new growth.
Can you prune a larch tree?
The larch tree requires little pruning, particularly in maturity. ... For larch trees that aren't as bushy as they could be, it's also a good idea to do a little pruning during the early spring. Take care though not to remove any of the central leader until the new growth has expanded later in the spring.