Disease & Pest Prevention

Recognizing, Treating, & Preventing Borer Infestations

Borer infestations are a headache no tree owner wants to think about. Not only do these beetles threaten your trees and make them look unsightly, they can potentially spread and severely damage trees beyond your own. Learn more about two borer infestations we see here at Hansen’s and how you [...]

Hit ‘Em First: Pest Prevention During Winter Produces Healthier Trees Year Round

Your trees may be asleep in the winter, but you shouldn’t be. Along with prepping your trees for winter, you should also think about tackling the threat of pests early before they become a problem for both you and your trees. Winter is an excellent time to take preventive measures [...]

Should You Treat or Remove Your Ash Tree with EAB?

The Midwest currently faces a very real threat to a large portion of its public and private trees. An invasive and exotic pest known as Emerald Ash Borer (EAB) has already infested many ash trees and will soon infest all untreated ash if left untreated. EAB is a very serious [...]

Invasive Species Alert: The Emerald Ash Borer

The Emerald Ash Borer (EAB) is an invasive species of beetle that was accidentally introduced to the United States in 2002 near Detroit Michigan. This beetle primarily feeds on the leaves and bark of ash trees, causing extensive damage and tree death. The Emerald Ash Borer is Widespread EAB can [...]

Jumping Oak Gall

FOREST HEALTH ALERT White Oaks Turning Brown in Late Spring Problem: Leaves on entire crowns of white oak trees turn brown in late Spring. In some cases, whole hillsides appear brown. Individual leaves turn brown starting at the margins, and sometimes curl up and turn black.