I have a bushy flame tree that has lots of branches off the base. Can I prune it so it has 1 main trunk? We are in the desert.
Absolutely! This is a good way to keep it shapely, and nice looking. Here is an article that will help you with the care of the tree:
ed by 30deg . Will they come back?
Make sure to cut back any dead foliage once the threat of cold weather has gone. When you do so, you can do the "scratch test".
If the shrub is still alive, then you can begin to care for it until it returns to a healthy state.