I have a tulip tree that I raised from a seed/ I left it in a pot for 3 years and brought it in during winters (Iowa). It has been outdoors in the ground now for 3 additional years and it does winter over, but in the spring it starts every year again at the base with new growth. The existing tree does not seem to bud. Could this just be too cold of a climate for it, or do I wait it out a few more years?
Certified GKH Gardening Expert
It may be just a smidge to cold where you are for it. It's roots survive, but the top does not. There are a few things you can do. You can give it some winter protection for a few years. Some trees that are right on the edge of a zone they can tolerate can't survive it well when small, but do fine in it when they get larger. I am not sure that tulips trees will do this, but you cold try wrapping it in the winter for the next few years and try.
Another thing you can try is relocating it to an area of the yard that is protected from wind and maybe even try to help along creating a microclimate. Here is more on that: