Black green and white. This garden was created by Ludo Dierckx , Belgian landscape for a client of Rotterdam, the Netherlands. The use of white flowers , along with lavender and buxinhos convey elegance to the design.
If you are looking to screen off an area for privacy or protection, spacing is going to be guided by the particular tree you are looking to use. Trees for screening are generally more open. They can still result in a wall of green that you.