The most common and most likely answer to this crossword clue is the 7 letter word POTHERB
I've seen this crossword clue in The Times
P
O
T
H
E
R
B
More clues leading to the result POTHERB
- What might season reportedly be, after fuss?
- Fuss over bishop’s parsley, perhaps?
- Different person in lead to get vegetable
- Paperback covering alternative source of flavouring, perhaps
- Choking smoke beginning to burn Basil?
- Turmoil at head of British mint?
- Maybe Rosemary‘s Baby’s opening after fuss
- Basil perhaps gets further in the lead
- Local university replaced by separate sage?
- Trouble brewing at first, plant in a stew perhaps?
Buddy explains!

The straight part
We know that "vegetable" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case vegetable = potherb.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 POTHERB mean?
POTHERB noun- Any plant whose leaves, stems or flowers may be used as a culinary herb.