How to Prune Ornamental Trees Many ornamental trees will require no pruning at all and will form a naturally attractive shape, some varieties are also happy to be pruned hard to manage shape and size if you wish. See a full explanation below on how to prune ornamental trees and keep an eye out for these symbols. The 4 pruning techniques on how to prune ornamental trees are suggested and represented with separate symbols across our coloured tree labels, information guides, books and website. Click here for information on how to prune fruit trees. Hard Prune These trees can be pruned several times without causing any harm to the tree. There are many terms used for this technique such as ‘Coppicing’ (ground level) and ‘Pollarding’ (above ground). After severe cutting of the main branches, the tree will respond by growing very vigorous young growth. This strong growth will provide spectacular results with large succulent leaves and more intense autumn and winter shoot colour. What happens above ground will also be mirrored below with a restricted root system. Prune After Flowering These varieties can be pruned hard after flowering to promote even better bloom the flowering year. This symbol is used for non fruiting trees that flower on one year wood. By hard pruning all the shoots after flowering the resulting growth produces healthy flower bud for the following spring. Replacement Prune An occasional thinning out of some of the branches can be undertaken to encourage fresh replacement growth. Most trees in this category flower on older than one year wood. As such would benefit from air and light being introduced to the canopy, encouraging healthy replacement growth. Up to a maximum of 1/4 of all branches can be removed each year. Pruning in the summer is often advisable as less disease would enter pruning cuts and you can see the full effect of the foliage result. This technique is useful where trees are used for supports for climbers such as vines. Pruning Not Necessary These varieties prefer to be left alone and would not benefit from any regular or structured pruning. This refers to many conifers which do not easily produce new growth from heavy cuts into old wood. Also where excessive sap loss or bacterial infection can result if pruned too often. Tree bough pruning Where larger trees need an isolated bough removed then it is worth following the correct method. When a large bough is cut from a tree more damage can occur if done the wrong way. The illustration below identifies the branch collar and shows where not to cut and correct cutting position. If the sequence of cuts 1, 2 and 3 are followed no damage will occur. This method is also safest. Large Trees When dealing with large trees that need professional skills and equipment it is advisable to ask a qualified tree surgeon. Pruning Conifers It is generally not advisable to prune conifers without establishing a few principles first. Those that can be pruned successfully into old wood from which re-growth would be successful are Larix, Taxodium, Taxus and Thuja, the first two being deciduous conifers. All other conifers can be pruned in two ways: the first is clipping annually but restricting this to the foliage only as one would do with hedging. Secondly by pruning off lower branches or ‘crow lifting’. A technique quite effective with dwarf pines to show off their attractive bark. It is important to remember to be bold and remove the branch entirely with a clean cut back to the main trunk. The illustration above under tree bough pruning is particularly appropriate in this case. Back To List Related Articles… How to Prune Fruit Trees How to prune fruit trees is one of our most … Full Details Keeping Trees in Pots Being able to keep trees in pots adds versatility to … Full Details Ornamental Trees – Container Specifications We grow a variety of ornamental container trees in various … Full Details Ornamental Trees – Bare Root Specifications We grow a variety of bare root ornamental trees in … Full Details
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