Construction, standards and environment
tree surround
In short and in plain language
A tree surround is the open ground around the trunk of a tree.
Water and air reach the roots through it.
So it should be protected, for example from salt and cars. It can be planted or covered with mulch.
Definition
A tree surround is the open, unsealed area at the base of a tree trunk. Water and air reach the root zone through it, so it is usually protected from compaction, salt and vehicles. It may be planted, covered with mulch or fitted with a grate.