The most common and most likely answer to this crossword clue is the 9 letter word HOUSEBOAT
I've seen this crossword clue in The Guardian
H
O
U
S
E
B
O
A
T
More clues leading to the result HOUSEBOAT
- Manage with fur in very warm mobile home
- Warm necks make do with scarf — place on flower?
- Tramp accepts employment at home on the water
- Dishevelled hobo ate with us in home by bank maybe
- Floating voter’s accommodation?
- Drifter intended for lodging use?
- Employ one to apply squeeze, entering dodgily-acquired property in Little Venice?
- Hobo accepts employment at a home on the water
- Employ fur scarf in toasty home by the shore
- Manage large snake accommodated in sweltering mobile home
Buddy explains!

The straight part
We know that "place on flower?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case place on flower? = houseboat.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 HOUSEBOAT mean?
HOUSEBOAT noun- A vessel, such as a barge, used as a dwelling.