Some plants and shrubs are grown in rows like this for research; Usually a fast growing type of tree or shrub is used.
Have you discovered what this tree is yet?
This looks like crepe myrtle from the photos. I have something similar growing next to the house and it looks like a scraggly tree, it's hugh. My Mom said she thinks its a crepe myrtle. Mine has pink blooms only at the top of it. I…
Hmmm. 6-8 ft. tall? I couldn't tell that from the photo. They looked much smaller. Really neat, the way they're planted! I have some relatives in Knoxville. I'll email your picture to them, and see if they know.
I'm going to post this inquiry here because it may get more looks. Shrub, seen in TN, southeast of Knoxville, planted in rows at an old farm/homestead in the Smokies. See More