Line of bushes (8)
I believe the answer is:
hedgerow
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">line of bushes</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hedgerow that I've seen before include "natural fence" , "Field boundary" , "rural boundary" , "Living boundary between fields" , "Greenery between fields" .)