Dear Sue: I have what I think is an umbrella pine tree, for the last three years. It is about 2 feet high. I know it grows slowly, but it seemed healthy when fall arrived. But now, in January, the ...

Our mugo pines are about 5 years old. When the snow melted away from them many of the needles were yellowing. What can we do this winter to help them? Yellowing needles on mugo pine can be caused by a ...

Q: Why are my pine tree needles turning yellow? A: When the needles on a pine tree turn yellow, the first reaction is that the tree has a disease or insect problem. But evergreen needles do not stay ...

Q: Some of my young white pines have yellow needles. Will an application of lime help now, or perhaps some Miracid in the spring - if they are still living then? A: You're seeing the old ...

Even in “The Evergreen State,” people needlessly fret over the health of their cedars and pines. Here’s how to tell if something’s actually wrong. In my front yard is a mature white pine that ...