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The best time to prune Japanese flowering cherry trees depends on where you live and the type of flowering cherry tree. Some trees benefit from being pruned toward the end of winter or early spring, after the last freeze. Meanwhile, other trees do well after blooming, in late spring or early summer. Avoid pruning your flowering cherry tree in the early winter, as this encourages open wounds that can lead to infections or infestations. 

If you’re wondering whether you can plant a tree where the stump was removed, know that the soil conditions won’t be ideal, so you should avoid it. The soil beneath the previous tree will likely be depleted of nutrients, plus there may be roots left behind that will seriously hinder the growth of a new tree. Also, if you use salt or other chemical solutions to kill the stump, these can linger in the soil for months or even years and prevent healthy growth. It’s best to choose a different spot that’s at least three feet away for a new tree, or wait at least a year and thoroughly amend the soil before you plant.

According to scientists at Penn State University, spotted lanternflies do not typically kill the trees and plants they feed on, but they can cause branches and segments to die off. However, they have been found to kill cultivated grapes, which can have devastating consequences for vineyard owners and regions that heavily rely on vineyards to create jobs and generate revenue. They have also killed the Ailanthu altissima, known as the tree of heaven, though this is classified as a noxious and invasive weed tree.

You should avoid cutting off the top of mature cherry trees. This process is called tree topping, and it’s not recommended for cherry trees—or any trees, for that matter. Tree topping removes between one-third to half of the length of the tree trunk, resulting in structurally unsound, fruitless suckers. The only exception is for saplings. Young pie, sour, and tart cherry trees that are over 30 inches tall in the fall or winter before the tree blooms can benefit from heading cuts.