The most common and most likely answer to this crossword clue is the 8 letter word BROCCOLI
I've seen this crossword clue in The Guardian
B
R
O
C
C
O
L
I
More clues leading to the result BROCCOLI
- Endlessly badger man requiring new green veg
- Colic Rob gets shifting cabbage
- . Terrible colic after Rob’s pickled vegetable!
- Cabbage badger doesn’t finish; firm, large one
- Vegetable, relative having caught cold, cut one
- Vegetable producer
- Badger king’s lacking coil-shaped vegetable
- Food Mr Forte left in British Island
- Brassica, some brown cabbage and cauliflower heads and cooking oil
- Sibling with constant abdominal pain failing to finish vegetable
Buddy explains!

The straight part
We know that "Cabbage" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cabbage = broccoli.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 BROCCOLI mean?
BROCCOLI noun- A plant, Brassica oleracea var. italica, of the cabbage family, Brassicaceae; especially, the tree-shaped flower and stalk that are eaten as a vegetable.