Try making your picture a tiny bit larger. Also colour would have been nice in this case. I like the way the trees leed you into the darker side on the right.
Your chooice of B/W gives this garden a mysterious appearance. The foremost tree kind of distracts, and breaks up the leading line developed by the others. I especially like the natural path that they make. 7
The line of trees leads the viewer right into the forest. It would have been nice to see a bigger picture so as to enjoy the contrasting details better. (You only used ~1/2 the allowed pixels/file size)