If you want your yews in a specific shape, as opposed to their natural form.
May 19, Hicks Yews are very forgiving when pruning after the height and or width you want is achieved. Each year I trimmed off the new light green growth, back to the darker green old growth and never had a problem. As for exposing the trunks, I suggest you go to the cemetary and ask to speak to the head gardener about their procedure for this. Be sure to use hand pruners, limb loppers and pruning saws rather than hedge shears to reduce their size.
Where possible, remove extremely long secondary branches at their point of origin on a main stem. Clean cuts on Yew branches. Most branches will be too thick for electric hedge trimmers, so it’s a job for sharp loppers and a pruning saw. March is the best month for heavy pruning in the Northeastern US Estimated Reading Time: 3 mins. May 26, Pruning Yews Selectively Download Article 1.
Start pruning yews in late March or early April. This is right before new growth will start to take place. 2. Cut out diseased, dead, or broken branches. Look for shoots 95%(43).