Once the fruit arrives in summer, you can safely trim your peach trees for.
Apr 25, Peach tree pruning is used to remove any diseased or broken branches, water sprouts, and suckers, as well as to open up the canopy of the tree to allow for better light and air penetration. Lastly, pruning is used to thin the crop prior to blooming, which reduces the amount of fruit that has to be hand thinned.

When to Prune Back Peach Trees. The best time to prune a peach tree is in the early spring before the sap begins running. Pruning in the early spring Estimated Reading Time: 3 mins. Pruning A Peach Tree: Learn How And When To Prune Back. Dec 14, Once the fruit arrives in summer, you can safely trim your peach trees for size. Pruning while the fruit is on the tree makes it easy to avoid sawing off fruitful branches. The best time to thin peach trees is within 20 to 40 days of full bloom.
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Thin so that each remaining peach is spaced 6 to 8 inches apart on the branch. In clusters, leave the king bloom (the center bloom in the cluster of five flowers) as it will develop into the largest fruit.
Timing Peach Pruning. Late spring frost is the most significant factor in Texas peach production, and the grower does not want to prune too early.
Keep the center of the tree open to allow light penetration to the lower fruitwood.
The peach tree will bloom soon after pruning when chilling is satisfied and warm weather follows. Growers with only a few trees can wait until ‘pink bud’ to prune. Growers with large crops should not prune earlier than necessary. Pruning in Texas should occur at least by February, just prior to bloom in March. Objectives of Peach Pruning.