Remove these as soon as you notice them to stop the cause of death.

U N I VE R S T Y T Pruning Mature Pecan Trees Guide H PH Esteban Herrera, Extension Horticulturist, New Mexico State University John M. White, County Extension Agent This publication is scheduled to be updated and reissued 2/ From the time the tree comes into economic produc-tion, it is a mature tree.

There is another group of. Jun 04, Pecan trees flourish with annual pruning that should begin as soon as the tree is planted. If left unattended, they will grow into large, unsightly bushes. Pruning encourages both upward and lateral growth to make the most of sunshine and make for easier tree management%(36). Jul 13, The short answer is: yes. Cutting back pecan trees in the first five years of their lives can be a huge benefit when they reach maturity.

And pruning a pecan tree when it is grown can help prevent the spread of disease and promote better nut production. When you first transplant your pecan tree, prune back the top third of the branches. How to Prune Mature Pecan Trees.

Pecan trees thrive in United States Department of Agriculture plant hardiness zones 6 through 9, where they grow as tall as feet with up to a foot spread.