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.
It performs best in U.S. Department of Agriculture Plant Hardiness Zones 5 through 11. Because it is suited to any landscape that provides at least six hours of sunlight per day, spacing depends upon how you wish to use the plant. If you want a hedge look, space Double Knock Out rose plants 5 to 6 feet apart. If you want individual plants, space them 6 to 8 feet apart.