Q: Our 12-year-old weeping birch tree appears to have died because all the leaves have turned brown. Do you think it is a goner or should we wait to see if it revives next year? What do you think ...

Dear Neil: I have two weeping willows, one hybrid poplar and a river birch tree. They are all fairly close to one another. The willows and poplar are 2 years old, and I've had the birch for one year.

Q: We are moving to a new state and don't know much about the trees that grow there. Can you give us some tips on what to ...