Commented: Please help ID this treeIt looks like paulownia tomentosa or royal empress tree. Some better photos could confirm that as I couldn't see anything in the photos too well. Get a closeup of the leaves laying flat and bark. That...
Commented: Transplanting a Bloodgood MapleThose are nice trees. They do a lot better and will be happier in the ground. Otherwise you will need to water it daily or twice daily in the heat. If you are leaving town, someone will have to do the...
Commented: Dogwood16" diameter dogwood?!
How exactly was that determined? That sounds like either a world champion or the circumference.
To answer your Q, roots can extend out 2-3 times the width of the canopy. (...