The most common and most likely answer to this crossword clue is the 7 letter word FUCHSIA
I've seen this crossword clue in The Daily Telegraph
F
U
C
H
S
I
A
More clues leading to the result FUCHSIA
- Bloomer crudely put could be such, if accepted
- One blooming commotion reduced around church in Advent, primarily
- One’s purple in bed, if such frolics end in angina
- Plant rejected a kind of strike after one fellow sacked
- Explorer primarily in Antarctica, sick if such a C
- Height restricted by splitting a ficus plant
- Reflecting if hosts fancy such a flower
- As if much changed, with no end of enthusiasm for Bush!
- Female I found wearing such a plastic flower
- It could be blooming useless, initially, if cash is wasted
Buddy explains!

The straight part
We know that "Bush" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bush = fuchsia.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 FUCHSIA mean?
FUCHSIA noun- A popular garden plant, of the genus Fuchsia, of the Onagraceae family, shrubs with red, pink or purple flowers.
- A purplish-red colour, the color of fuchsin, an aniline dye.
- Having a purplish-red colour.