Q: We moved to a property where there are many shallow, large roots spreading out from a mature tree in the lawn, and the roots have holes in a few places. Should we fill them in to prevent rot? A: ...

We visit an orchard where researchers are breeding Chestnut trees they hope will one day fight off a fungus that's been killing the iconic American tree for more than a century. And now a checkup of ...

The loss of American chestnut trees, Castanea denatata, ranks as one of the most devastating botanical disasters in U.S. history. Before the introduction of chestnut blight in 1904, there were over 4 ...

And now a checkup of sorts on the American chestnut, a tree that was a big part of forests in the eastern United States until 1904, when a fungus from Asia started killing them. Since the 1920s, ...