[header] How to prune yews [title] Start pruning yews in late march or early april. [step] This is right before new growth will start to take place. If the yews are growing vigorously, you may need to prune them again in late june. 
[substeps] Avoid pruning yews in the fall, as this will make them more vulnerable to winter weather. [title] Cut out diseased, dead, or broken branches.