Cedars, Boxwood and Yews, can be lightly pruned in early spring to remove any winter dieback and prune for shape prior to spring growth. Note to trim hedges a little more narrow at the top to let light get to the bottom of the plant, this is a common mistake that leads to the dying off or lack of green on the lower branches of evergreens.
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Pine and Spruces can be a little trickier to prune:
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