The most common and most likely answer to this crossword clue is the 6 letter word ASPENS
A
S
P
E
N
S
More clues leading to the result ASPENS
- How some feathers were used in trees
- Trees like swans
- Topless females on tail of 30’s killer? They tremble and quiver
- Some trees like enclosures
- Like writers, they branch out
- Snake regularly meanest in trees
- . Snakes surrounding fellows! Losing head, they tremble in forest
- Young swans like to come above some trees
Buddy explains!

The straight part
We know that "trees" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case trees = aspens.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 ASPENS mean?
ASPENS noun- The asp tree; a kind of poplar tree (genus Populus sect. Populus). A medium-size tree with thin, straight trunks of a greenish-white color.
- The wood of such a tree; usually pale, lightweight and soft.