However, in order to make it look like we are planning on doing something at some point with the front yard, I decided that the mulch beds around the trees could be redone (the landscaping fabric was showing in places). Then, I was thinking of all the rocks that my mom has been trying to throw away the last, I don't know, several years. I asked her to select some for me, and last week I brought them home.
Friday afternoon I did this:

I love it! I know now that I want to do this for the other two trees, and may end up outlining whatever we do with the front bed, or the vegetable garden out back.
Below are pictures of a balloon that got caught in our tree a few weeks ago. It appeared after Valentine's Day, and disappeared between Friday afternoon and Sunday morning:
