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 the ...

Q: I'm helping a neighbor with a clump birch that was planted way too close to the driveway and sidewalk. It has six or seven trunks and has been there about 6 years. Three of the trunks are about 3 ...