Are you trying to find a specific with these features, or a different quote from the Neature Walk series?

While the "Christmas tree" line follows that same comedic "stating the obvious" structure, here are a few other ways this setup is used:

: Spruce trees covered in heavy snow are frequently described as creating a classic winter wonderland scene .

: In heavy mountain storms, spruces entirely encased in frozen snow and rime ice are often referred to by hikers and photographers as snow ghosts .