Sapsuckers peck small holes in search of tree sap. Other kinds of woodpeckers are searching for insects like ants, wood borers and bark lice ... In effect, the damage has already been done.

The Minnesota Department of Agriculture (MDA) is encouraging Twin Cities homeowners with ash trees on their property to join the fight against emerald ash borer, the tiny tree pest that can cause ...

An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...