The most common and most likely answer to this crossword clue is the 8 letter word WISTERIA
I've seen this crossword clue in The Sunday Telegraph
W
I
S
T
E
R
I
A
More clues leading to the result WISTERIA
- Plant with bacterial disease — leaf’s beginning to wither
- Huns leaving White Russian bewildered
- Women’s groups note song about climber
- Climber frst comes across a wire that’s dangling
- Female group on settee regularly boosted dry fower
- Plant exists in water, I suspect
- Waiter is stirring something in the garden
- Plant waiter is cultivating
- Climber writes a novel about island
- Water is swirling around one plant
Buddy explains!

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 WISTERIA mean?
WISTERIA noun- Any of several woody climbing vines, of the genus Wisteria, native to the East Asian countries of China, Korea, and Japan and the eastern United States.