What I do is get around 5 small 2 by and simply drive them into the ground at an angle so they are all touching at the top like a small tree. Then I easily put the lights around the post's and plug them in and there is your tree.
Outdoor Christmas Light Tips and Tricks. Hang and Wrap Christmas like a Pro. Written by a Christmas light expert! Hang and store Christmas lights the right way! How to correctly take down and store Christmas lights.