Jun 25, To prune dead limbs or make cuts to the dogwood tree, you will need a good pair of pruners, these tools will cut through the deadwood as well as make cuts in the piece that needs rejuvenating. When to Prune a Dogwood Tree. Like many flowering trees and shrubs, the best time to prune a dogwood tree is when the tree is dormant.
For the dogwood tree, this is in the late fall and bushlopping.barted Reading Time: 10 mins. The Best Time The dogwood is a deciduous tree that drops its leaves in late fall, becoming dormant during winter. When it's leafless, you can easily see all the tree's branches, giving you a clear view of its overall shape and making late fall through winter a good time for pruning.