Another great way to care for your cherry tree is to fertilize it.
Waiting until late winter, right before it emerges from dormancy should help with avoiding disease. I also found some combination pruners!
The reason for this is that you usually remove whole branches and not just individual twigs.
They do the major pruning in the winter but prune away things like water spouts (thin, leggy vertical growing shoots) in the summer. Knowing where to begin: Cherry trees benefit most from central leader training. Jan 19, How and When to Prune a Cherry Tree Step 1: Prune in Late Winter or Early Spring. Prune a cherry tree in late winter or early spring when possible to Step 2: Envision Your Cherry Tree Shape.
Look closely at your cherry tree before you begin Author: Teo Spengler. Jan 08, When pruning sour cherries, the overall aim is to avoid the canopy of becoming too dense and bushy and to reduce the leaders to a desirable number. The ideal canopy of a sour cherry is funnel-shaped. The best time to prune sour cherry trees is between November and March.