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Mar 30, Jonathan shows the Pruning of a 3rd Year Greengage Plum TreeDescription/Taste:The Greengage plum is deceptive in its looks, with colors of granny smith apple."Green Gage" grows in U.S. Department of Agriculture plant hardiness zones 4 through 8, growing up to 14 feet tall and 14 feet wide. European plum trees tend to grow upright naturally, so they do. Sep 14, Cut each main branch (the leader) back to eight leaves remaining and then cut each side branch of these main branches back to six leaves remaining.

Cut back any daft vigorous growth the might have occurred at the top of the tree. You want to keep the fruit within reasonable reach. Plums require minimal pruning which should be done after flowering when the tree is still leafless. In maturity, prune mostly to let light into the center of the tree and to encourage a moderate amount of new growth for the following year’s stumpcutter.baress: What's My Zone? The greengage plum tree produces sweet fruit for eating as well as jams and jellies.

Keep in mind the practical reasons for pruning: to train the plant, maintain plant health, improve the quality of flowers, fruit, foliage or stems, and to restrict growth. Remove all dead, diseased and broken branches with a sharp pruning saw or shears.

Dec 28, If you fail to thin plum trees, the branches become to laden with fruit which, in turn, may damage the branches and encourage disease. Prune the plum trees in the late spring or early summer. Green Gage plums will be ready for harvest from late summer into early stumpcutter.barted Reading Time: 3 mins.