The most common and most likely answer to this crossword clue is the 10 letter word NURSERYMEN
I've seen this crossword clue in The Daily Telegraph
N
U
R
S
E
R
Y
M
E
N
Buddy explains!

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 NURSERYMEN mean?
NURSERYMEN noun- A person who rears and sells plants in a nursery.