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 ...
Shrubs may be trembling by doorsteps across North America as an aggressive fungus disease of boxwood invades the continent. Boxwood blight, caused by a Cylindrocladium fungus, was unknown to science ...