Q: Our 10-year-old birch tree has a smaller trunk coming out of the main clump. When would be the best time to remove it, and should it be sealed after the cut? - Paul Thulen, Breckenridge, Minn. A: ...

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 ...

Q: I have a clump of four white birch trees that look very healthy. However, winter ice storms have caused the trees to look bad. They look great up to about 20 feet, then they start to droop in every ...