Q. I have a clump birch that was planted in 1991. It has grown beautifully until this year. Long "seed worms" developed on two trunks, then shriveled up and now there are dead leaves on some of ...

A fairly fast-growing tree, river birch can reach a height of 70 feet or more. Native throughout the eastern U.S., it is typically found on the banks of rivers and streams as well as in floodplains.