I then adjusted C5 and re-tested the thenar eminence - it was fine, elicited no pain, and her hand stopped tingling. I finished treating her and told her to return in two days. At the second visit, I tested the thenar eminence).
Pruning Your Boxwood. 1  1. Know when to prune your tree. Prune boxwood shrubs at any time between the last expected spring frost and six weeks prior to the first expected fall frost. 2  2. Use sharp bypass pruners to trim off dead, injured or diseased branches. Prune them off all the way to the base of the branch.
Cut back dead, diseased or damaged branches from the shrub using sharp, sterilized pruning shears, or use a pruning saw if the wood is thick. Make a 45-degree cut to sever a section of the branch from the remaining wood, or snip off the entire branch if the damage is extensive and irreparable.hether growing the dense, impenetrable shrubs as specimen plantings or growing them close together to form a natural screen, pruning is an essential part of care and maintenance that keeps the shape and size under control. Cut back your overgrown boxwood shrub in spring.