milligram milÂ·liÂ·gram (mÄ­l'Ä­-grÄm') n. Abbr. mg A metric unit of mass equal to one thousandth (10-3) of a gram.
Holly bushes also make the list as some of the best large shrubs for privacy as their average growth is 20-30 feet in height and 10 feet in width to provide densely packed protection from both animals and neighbors.
Butterfly bushes can grow 6'-12' tall and have a spread of 4'-15' in warm climates, but even so, the recommended care of butterfly bushes is to prune them back to the ground in the winter garden. The butterfly bushes will re-emerge from their roots in spring.