Fence of bushes (5)
I believe the answer is:
hedge
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fence of bushes</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for hedge that I've seen before include "Qualify by conditions; boundary of bushes" , "Be cautious" , "bush as a > barrier" , "Stall" , "Fence of bushes or small trees" .)