When is the best time of year to prune my trees and shrubs?

For example, oak trees (Quercus spp.) should only be pruned in the winter months when the trees are dormant to prevent the spread of a common fungal disease called oak wilt. As a general rule, a light summer pruning can be performed on most deciduous trees and shrubs.

As you go about trimming your oak tree, there are a couple of questions that will help you prepare and navigate through the winter pruning period.

Heavier pruning should be performed when the tree is dormant, preferably in late winter before active growth begins. Mar 19, Depending on the plant and the time of year, pruning can sometimes do more harm than good.

With our Illinois pruning calendar, you can be confident in your pruning choices this spring, and every other season! Pruning in Late Winter. Before you begin, proper pruning should always start with clean, disinfected, and recently sharpened garden shrubhauling.barted Reading Time: 5 mins.

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What is the best time of year to trim them and is there anything I should be concerned with the trimming. The best time to prune oak trees is during the dormant season (November through February). Pruning during the “dormant” season avoids potential complications with the fungus oak wilt.