The most common and most likely answer to this crossword clue is the 9 letter word ARTICHOKE
I've seen this crossword clue in Financial Times
A
R
T
I
C
H
O
K
E
More clues leading to the result ARTICHOKE
- Vegetable lorry OK, the man accepts
- All right to be carried by the man on lorry leaving plant
- Lorry that man used to transport satisfactory vegetable
- Are you one to have problems eating this?
- Take choir out to Jerusalem?
- A vegetable and a thick roe blended together
- Skill I plug – it’s easy to scoff
- With skill I stop the growth of vegetable
- Knack one needs to suppress plant
- Tortured 10 with the rack in Jerusalem?
Buddy explains!

The straight part
We know that "plant" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case plant = artichoke.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 ARTICHOKE mean?
ARTICHOKE noun- A plant related to the thistle with enlarged flower heads eaten as a vegetable while immature, Cynara cardunculus var. scolymus.
- A dull green colour, like that of an artichoke.