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 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: In my yard I have a clump of three birch trees planted two or three years ago. This past spring a deer used it as a scratching post and tore off a significant amount of bark on one of the trees, ...

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 ...

Q. We have a beautiful clump birch tree at the northeast corner or our deck. It appears healthy enough now, but we have been warned to watch for birch borer damage on the tree, as this insect will ...

We have a river birch that I planted about 15 years ago on the property line between my neighbor to our east and us. It is a clump style with three main trunks. This year the side that faces my yard ...

THE letter from Dr. O. Rosenheim in NATURE of October 27, p. 622, would doubtless cause astonishment to many mycologists. Amanita muscaria is one of the commonest toadstools, and is to be found ...