Rotting at the point of entry, with gummosis.

Apr 13, When you prune a plum tree depends, in part, on the stage of development of the tree. For young trees that you are in the process of shaping, do just one pruning in early stumpclear.barted Reading Time: 8 mins. Sep 21, After pruning, your flowering plum tree should have a scaffold appearance with a main trunk or leader and branches that are perpendicular to the trunk.

A good pruning regimen can keep your flowering plum tree healthy for years to come. Flowering plum trees are popular additions to a landscaping plan. The answer to that question is simple, prune your plum tree when it's growing strongly and for established plum trees early June to mid July is the best time.

Do not prune it in winter /spring because the risk of fungal infection is high and don't prune it in autumn because the leaves are needed by the tree to transfer nutrients to it as they die. Pruning corrects the natural tendencies of fruit trees that may counterproductive to growing fruit or undesirable. The natural tendency to grow too many shoots and large branches ultimately causes shading in the interior canopy and lower branches.

This lack of sunlight inhibits flowering and weakens branches. Trees with an open, well-lit canopy grow larger fruit [ ].

Thanks for writing!

Mature trees are topped, limiting their height to around 8 ft., so fruit can be picked without the use of ladders. Summer pruning in June after fruit harvest follows the same objectives, but less wood is removed, and thinning out tree interiors is a focus of this pruning time. Many plum cultivars set fruit on long shoots ("whips").