Across the Hawaiian Islands, the invasive coconut rhinoceros beetle is threatening to make Hawaii’s palms disappear. Native ...

Sap is the 'blood' of a tree, helping to move nutrients from the roots to the limbs. Some sap is not unusual, but excessive ...

To overwinter roses successfully, fall rose care is key. Here is what to do and what not to do to get your roses ready for ...

I got a call a few years ago from one of my readers. His Paper Bark Birch was in severe decline. From what I could see, this two-foot-diameter tree was dying. I explained the dire situation of the ...