Conifer trees can be huge, tall trees or small shrubs. Rather than typical flat leaves, conifers have long, pointy needles or scale-like leaves. Needles vary between the three main groups of conifers -- spruces, firs and pines. Most specimens keep their leaves all year, which means they can quickly begin making food again in the spring. Conifers naturally grow in a pyramid shape and work well when planted among other bushes and trees in a landscape. Most prefer full sun, but some varieties can grow in partial shade. They should be allowed to grow in their natural forms. If correction is needed, conifers can be cut.
Things You'll Need
- Pruning shears
- Pruning saw
Prune the tree to create a single-leader specimen, using pruning shears or a pruning saw. There should be one vertical stem up the middle of the tree.
Cut out dead or weak branches. Trim the dead wood to the point where it meets healthy branches. Remove problem wood during any time of year.
Remove diseased branches to eliminate all traces of the bad wood. Make cuts in healthy branches well below the infected parts.
Thin the tree when it is dormant if some of the branches are crowded. Unlike deciduous trees, conifers develop whorls of branches that are typically spaced adequately. However, if needed, cut branches that are crowding or rubbing against each other.
Cut a conifer tree only where needles grow. Do not cut the inactive centers, which is where there are no leaves or needles, because new growth won't occur to cover the stubs left behind.
Make all cuts outside the branch collar, which is the swollen spot where one branch meets another. Hold the pruning tool at a 45- to 60-degree angle. Do not cut the branch collar because it protects the tree from decay.
Tips & Warnings
- Try not to prune evergreens in late summer or early fall because new growth may be damaged when winter sets in.
- Do not use a coating paint on the pruning cuts unless you are dealing with an insect infestation.
- Virginia Cooperative Extension; A Guide to Successful Pruning, Pruning Evergreen Trees; Susan French; May 2009
- University of California Cooperative Extension; Pruning Conifers; Donald R. Hodel, et al.
- University High School: What are Coniferous Trees?
- Iowa State University Extension; Identification of Conifer Trees in Iowa; Paul H. Wray
- Colorado State University Extension; Evergreen Trees; R.A. Cox and J.E. Klett; April 2005
- Photo Credit Jupiterimages/Photos.com/Getty Images
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