Learn the growth habits of your particular type of oak tree.

Anonymous Dec 28,

If an oak tree must be pruned in spring or summer (such as after a storm), apply latex house paint to the pruning cuts to avoid attracting sap-feeding beetles to the.

Jun 18, Trees that Should Never be Trimmed During the Summer Our beloved oak trees should never be trimmed during the summer months. This is because oak trees have a disease called Oak Wilt, which is spread by pests and could infect and even kill oak trees that are trimmed between April and October.

Always wait until the fall and winter to trim oak shrubhauling.barted Reading Time: 4 mins. Jul 26, If possible, you should not prune oak trees at all during the summer to reduce the chance of oak wilt, which is a potentially fatal disease. If you must prune (usually for safety reasons), paint the pruning cuts to make them less attractive to oak wilt-carrying beetles. Here's more information on the best time to trim oak trees and how often.

Communications Specialist, Integrated Pest Management.

So, you can generally have oak trees pruned and trimmed under the aforementioned guidelines, just make sure that you only have them pruned between November and March. Remember that fresh cuts in the summer can and will bring oak wilt with them, cutting the life of your oak tree far shorter than it may have been otherwise.

Do Not Trim in Summertime.