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.
Tip. 1  Trim boxwood hedges a few times during the growing season to prevent damage to the plant. 2  Thin out boxwood hedges to keep them in their natural state.  Consider making the top of the hedge slightly thinner than the bottom to allow more sunlight and moisture to reach the lower branches.