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

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

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, ...

Residents in Mount Prospect have been wondering about a sticky black soot-like substance coating their outdoor surfaces.

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

Cultivating native plants benefits homeowners, too. Replacing traditional turf with clover, buffalo grass, xeriscaping, or ...