Tree Related Cryptogram - Solution

In case any of you worked on the cryptogram I posted for Arbor Week, here is the solution.

In case any of you still want to solve it and need a hint, try this:

The last word, JFVVY is TREES.

Here's the solution to the whole puzzle:

It is difficult to realize how great
a part of all that is cheerful and
delightful in the recollections of our
own life is associated with trees.

--  Wilson Flagg

www.bartlett.com/puzzles