Beware of toxic, invasive pests that can harm your trees. Learn the effects of these foliage-devouring insects covered in ...

A certain fast-growing tree might be turning your yard into a haven for lanternflies. Its presence could be the reason ...

In the search for eco-friendly alternatives to synthetic herbicides, researchers from Kyushu University, Japan, have ...

Sap is the 'blood' of a tree, helping to move nutrients from the roots to the limbs. Some sap is not unusual, but excessive amounts may mean trouble. Learn what it means when you notice a lot of sap, ...

Incorrect pruning, particularly topping, is the surest way to ruin a tree. If it doesn’t kill the tree outright, it will ...

When temperatures turn to freezing from late October to early December, the wingless female climbs the nearest tree and mates with the male.