News

  • High winds topple trees – how to protect against tree failure

    Strong thunderstorms passed through southeast Wisconsin in early June, resulting in numerous service calls for storm damage, including this tree that landed on a home in Waukesha and had to be removed. Tree trunks need strong wood tissue in order to hold up in severe weather. We recommend pruning trees when they are young to […]

  • Emerald Ash Borer is destroying your trees

    Emerald Ash Borer (EAB) is sweeping across Waukesha and Milwaukee counties, killing thousands of ash trees that are a major part of our landscape. Right now, there are 28,000 ash trees on property owned by the City of Milwaukee that are being treated, with thousands more on private properties in need of protection. Once an […]

  • Choosing a suitable replacement

    Sometimes the only course of action is the planned removal and eventual replacement of a dying tree. If and when that time comes, consider these types of disease-resistant replacement trees: The Kentucky Coffeetree Gymnocladus dioicus With a picturesque canopy in the summertime and its coarse textured branches making a bold statement during the winter months, […]

  • Common tree disorders in southeast Wisconsin

    In addition to EAB, there are other potential disorders to be mindful of as it pertains to your trees and shrubs: Magnolia Scale Outbreaks are more common during July and August. Symptoms include white, pink-orange or brown bumps on the branches that later leave behind a chalky substance that has the potential to kill or severely […]

  • Meet Dean Ziemienski

    What is your role at American Tree Experts? I am the vice president and responsible for managing day-to-day operations of our family business. I am also an ISA Certified Arborist, Certified Tree Care Safety Professional and a Certified Pesticide Applicator. Why work in tree care? As a third generation arborist, I am passionate about tree […]

  • Emerald Ash Borer: National catastrophe hits home

    Emerald Ash Borer (EAB) is the most destructive forest insect to ever invade the United States. First identified near Detroit in 2002, this Asian beetle is on an unstoppable march. It is now here in southeast Wisconsin, hitting hard in areas across Waukesha and Milwaukee counties. To date, EAB has killed hundreds of millions of […]

  • Cool jobs: Ever think about becoming an arborist?

    If you loved climbing trees as a kid and consider yourself an outdoor adventurer, a career as an arborist may be right for you. Of course, arboriculture is in my blood. I am a third generation arborist at American Tree Experts in New Berlin. I went to college to earn a bachelor’s degree in Urban […]

  • Treatment or removal – which course of action is best?

    Trees enhance the beauty of landscapes, increase property values and often have earned sentimental value. For example, when an ash tree may become infested by something as deadly as EAB, how do you know if it is best to set up a treatment plan or consider removing your tree? The first step is to consult […]

  • Getting to the root of the problem: What’s happening underground?

    Urban trees are subjected to many stress factors, which can negatively affect their root system. This includes competing with other trees and turf, poor soil, and nearby concrete and buildings. Sometimes trees are planted in the wrong conditions where the soil is too wet, too dry or lacking acidity. Mulching is always a great step, […]

  • 4 tips for watering your trees as temperatures cool

    In the middle of winter, the ground is frozen. Trees are not able to access water, so it is important that you are watering your trees in autumn as necessary. Here are a few tips: Evergreen trees in particular will benefit from being watered before winter since they retain most of their foliage year round. […]