Are They Dead?
Removing 40 percent of the tree annually stimulates new growth each spring.
Jan 07, For pruning to be effective, it must be done after the end of an"off" or light-crop year, i.e., prior to the season of anticipated high production. It should not matter whether the pruning is conducted before or after the bloom, as the results should be about the same--reduction in production during the season following pruning.
May 22, If an oak tree needs to be pruned, it should be. The simplest and easiest way to explain this is that if an oak tree has limbs rubbing against the roof or hitting cars in the driveway, or if limbs are being broken by large vehicles driving down the street, then the tree has cracked, broken or rubbing limbs causing constant sap flow.