Q: Our young and once healthy peach trees have been appearing less than healthy as the summer has progressed. They are producing fruit, but I first noticed the black things on the bark that I thought ...

Researchers climbed General Sherman, the world's largest tree, for the first time ever and gave it a clean bill of health. The researchers were looking for bark beetles, which have become more ...

We see it all in the Plant Clinic, and this summer we’ve been seeing a lot of Acanthococcus lagerstroemiae or crapemyrtle bark scale. This invasive insect from southeast Asia first appeared in the ...

China set out to halt dust storms, reclaim deserts and lock away carbon by planting trees at a scale no country had attempted before. In the process, it has unintentionally rewritten how water moves ...