We have a Catalpa 'Nana' - 6 yrs old. The information we received said it would grow to 10ft high and 10 ft wide. It has. However, last summer two areas of the tree were very late in producing leaves and this year there are several branches with no leaves at all. Do you have any suggestions?
When parts of trees and shrubs die back they have root rot, bacterial or fungal blights, borers, winter damage or drought injury.
