Month: June 2019

pic of boxwood

What is Damaging our Boxwoods

This year many of our customers have called to for advice on their boxwoods. It looks like the boxwoods have come back with a brown yellow discoloration on the newest growth tips with stems that are brittle and easily snap. There are two major issues that folks need to be aware of — an insect called the Boxwood leafminer (maggot) and record-breaking low winter temperatures and wind chills Chicago faced this last winter that reached a detrimental temperature of -60F. Here are some of the symptoms for winter damage: The boxwoods look green and healthy last season and the discoloration only started with spring. The leaves looked yellowish brown (bleached) from the newest tips and is mainly on top or on the windward side. Here are some of the symptoms for an infected Boxwood: You will see small blisters at the underside of the leaves caused by the larvae inside. If you peal the leaf, you will see small maggots inside. The leaves infested by larvae turn yellowish and appear spotted, as opposed to winter damage, …