Can you transplant a lilac tree? It is about six to seven feet tall. If so, please advise on the specifics.
Transplanting a Lilac Tree
Certified GKH Gardening Expert
You can, but make sure you get as much of the root system and surrounding soil as possible.
The following articles should be of some help to you: https://www.gardeningknowhow.com/ornamental/shrubs/lilac/lilac-care-growing-and-planting-lilac-bush-plants.htm