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.
To thin, prune selected branches throughout the shrub to the main trunk, to a lateral branch or to a lateral bud. The older and diseased branches can be pruned to the ground. This method of pruning allows the center of the boxwood to receive light and air, improving the health of the shrub.