Boxwoods have yellowed on top probably due to winter winds. Do I snip them or trim them now or leave them alone hoping that they will recover with more green growth this summer. How should I treat them now?
Should I Snip Off or Trim Yellowed Leaves From My Boxwood
This is a condition know as "winter bronzing," and happens after unusually severe winters. While the plants should recover, they will look much nicer if you trim away the discolored foliage. This article is on trimming boxwood: https://www.gardeningknowhow.com/ornamental/shrubs/boxwood/trimming-boxwood-bushes.htm