Mistakes made with flowers (8)
I believe the answer is:
bloomers
I believe this clue is a double definition.
'mistakes' is the first definition.
(I've seen this before)
'flowers' is the second definition.
(I know this)
'made with' is the link.
(Other definitions for bloomers that I've seen before include "Undergarments popularised by Amelia" , "displayed in bed" , "Mistakes, underpants, loaves or flowers" , "Boobs" , "of bakers, gardeners and > underwear suppliers?" .)