Transplanting An Oak Tree. If an oak was planted in improper soil, near a building casting shade or within reach of power lines, transplant it to ensure it reaches maturity. This extensive root system makes large trees very difficult to transplant successfully.
If I have a chance, I might go take pics of.
Transplanting a small tree (sapling) is a little more involved than simply buying a container grown tree and setting it out—a few extra considerations come into play.
Transplanting can be successful with all forms. Your best bet is in fall or winter, after the I do totally agree with the proper time in transplanting an oak tree. The best time to transplant an oak tree is between mid-December and late March when the tree is dormant, but it is no easy task.