Hi ColinFraser,Thanks! It's not just cleanup of the visible stuff either, the root mass is a complete solid block that water barely drains into. My idea is to wait until spring to do anything, but watering it makes me think a slip pot or something else minimally invasive might be in order. At the moment I'm just stabbing it with a chopstick a bit . . .
Thanks for your inputHi ColinFraser,
This is a best time to do transplant for Elm, at least in my area. Elm likes to be disturb their rootage in the cold time when it has no more leaves! Remember doing root cutting when you transplant it. The trees from the root cutting will have some interesting shapes.
Bonhe
If I was you, I would do transplant before air layering. The reason is that when the tree is healthy, the air layering will be more successful.Thanks for your input
I understand now might beat good time to repot, but my gut tells me to put it off until after I have completed my air layer . . . afterward, I can be brutal with the roots on the remaining trunk.