The most common and most likely answer to this crossword clue is the 9 letter word MARIGOLDS
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Buddy explains!
The straight part
We know that "flowers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case flowers = marigolds.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MARIGOLDS mean?
MARIGOLDS noun- (genericised brand name, usually plural, sometimes with capital) A rubber glove, especially one for use in household cleaning.
- Any of the Old World plants, of the genus Calendula, with orange, yellow or reddish flowers.
- Any of the New World plants, of the genus Tagetes, with orange, yellow or reddish flowers.