Lawn flower (5)
I believe the answer is:
daisy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lawn flower</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 daisy that I've seen before include "Plant; girl's name" , "bloomer" , "Old song: '. . . . ., . . . . . give me your answer, do'" , "Lawn flower, weed" , "Grassland plant" .)