Most types of boxwood shrubs are cultivars of either Buxus sempervirens, also known as common or American boxwood, or Buxus microphylla, better known as Japanese boxwood. Other boxwood varieties are ...
Q: We have mature 5½-foot-tall boxwood that has never been pruned. How do you recommend we go about this? A: First, early spring is the best time to tackle this job -- right before new growth begins.