When a tree needs pruning
As a tree grows it is natural for some branches to die back. Branches that do not produce enough carbohydrates from photosynthesis to sustain themselves die and are eventually shed, however for safety reasons it is advisable to have your tree regularly inspected and cleared of any deadwood.
Sometimes it is necessary to remove certain branches of a tree crown, without fully reducing, thinning or lifting the crown. For example if a large branch or number of branches have traveled over a neighboring boundary, it may be required that they be removed. This process generally involves removing as little live growth as possible to ensure the health and stability of the tree.
This process involves reducing the size of the trees' overall canopy. This is achieved by pruning the branches evenly throughout the crown. During this process dangerous deadwood and crossing branches are removed or pruned to minimize the possibility of pathogens and disease infecting the tree.
Crown thinning involves the selective removal of inner branches evenly throughout the trees crown. This is an effective method of allowing light to travel through the crown and allows air to circulate more effectively throughout the canopy without altering the trees' natural shape. As with Crown Reduction, all dangerous dead wood and crossing branches are removed during this operation.
As the process suggests, Crown lifting is the removal of selected branches and limbs from the lower part of the threes crown, thus lifting the crown's overall height. Depending on the location of the tree, this process is generally performed to ensure vehicles and people can pass safely underneath avoiding accidents and injury. This process also assists in allowing more light to penetrate through the lower crown