How to Prune Green Giant Trees

Green giant trees are one of the fastest growing evergreen bushes. Often used for privacy between property lines, the green giant also can be trimmed to look like a traditional hedge. The green giant tree grows to around 60 feet tall, making it one of the tallest evergreen bushes in the world. Green giant trees require very little pruning, but many people choose to prune them into a desired shape and height. With a few tools the green giant tree can become the perfect hedge.

Things You'll Need

  • Work gloves
  • Goggles
  • Hedge clippers
  • Tree saw
  • Ladder
  • Trash can

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Decide what you want your hedge to look like. Some people prefer their green giant trees to grow individually, and others prefer for the trees to grow together. Green giants grow 3 to 5 feet a year, and can reach 60 feet. In most cases 60 feet will be too tall for the environment, so the trees need to be trimmed every year.

Cut away any dead or dying branches. As an evergreen, the tree can be pruned at almost any time of the year. Fall and winter are the best time for pruning, as the sap isn't running at that time. Cut away any branches that show signs of disease. Place the diseased branches in the trash can or set aside for burning.

Cut green giant trees to the height and shape desired. If you want the trees to look more like trees, trim branches that are too close to nearby green giant trees. Taper the top of the tree towards a point, creating the look of a traditional evergreen tree.

Cut the top of the tree off if you want the trees to grow more like one solid hedge. Allow the separate trees to grow together along the sides. Flatten the top to a uniform shape. Trim the sides of the tree so that it is flat and uniform as well. Be careful not to cut too much off the top, or the tree may have a hard time recovering from the cut--1 to 2 feet per pruning is enough to make a difference without damaging the tree.

Tips & Warnings

  • Set ladders in a sturdy place before using.
  • Always wear gloves and goggles to protect the eyes and hands from scratches.
  • Never climb to the top steps of any ladder.


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